{"id":313,"date":"2011-10-09T22:32:28","date_gmt":"2011-10-10T05:32:28","guid":{"rendered":"http:\/\/www.dognmonkey.com\/audi\/?p=313"},"modified":"2018-06-10T01:19:20","modified_gmt":"2018-06-10T08:19:20","slug":"a8-d2-water-pump-replacement","status":"publish","type":"post","link":"https:\/\/www.dognmonkey.com\/audi\/a8-d2-water-pump-replacement.html","title":{"rendered":"A8 D2 Water Pump Replacement"},"content":{"rendered":"<p style=\"text-align: center;\"><em>The coolant leaks caused us to believe it was from the water pump, our bad, and we replaced it.<\/em><\/p>\n<p style=\"text-align: center;\">****The bumper should come out for the radiator to move out to have room to access the front of the engine. It took me less than 1 hour to remove the bumper and the radiator support. Follow the <a href=\"\/\/www.audipages.com\/Tech_Articles\/Body\/frontendremoval.html\" target=\"_blank\" rel=\"noopener\">procedure from Audipages.com<\/a>, it&#8217;s very clear. Also read <a href=\"\/\/www.audipages.com\/Tech_Articles\/enginemechanical\/tbreplace0.html\" target=\"_blank\" rel=\"noopener\">the timing belt<\/a> procedure. Read carefully because it took me half of a day to remove the passenger side timing belt cover because of a hidden bolt and stripped a water pump bolt due to over tightened the bolt (the procedure was 89lb-in ~7-8lb-ft which my torque wrench was in, I try to torque it to 20lb-ft and after 17ft-lb ~ 204lb-in, the bolt was gone and leave me with headless bolt stuck in the block) and this set me back another 4 hours. Below is the video for the whole replacement which including the removal of the oil cooler to replace the $23 part plastic coolant pipe (which was the cause of the coolant leak).<\/p>\n<p style=\"text-align: center;\"><em>We can remove the right timing belt cover and the electrical fan to run engine to see if the waterpump is leaking.<\/em><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/W2X-wPClC4Y?rel=0\" width=\"560\" height=\"315\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p style=\"text-align: center;\"><em><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/ufoXNwD75MQ?rel=0\" width=\"560\" height=\"315\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/em><\/p>\n<p style=\"text-align: center;\"><em>Front End Removal<\/em><\/p>\n<p style=\"text-align: center;\"><em><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/EGzAfTEqF1I?rel=0\" width=\"560\" height=\"315\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/em><\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/4JYj6m6f_ms?rel=0\" width=\"560\" height=\"315\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<div class=\"igallery\">\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"removing bumper 98 A8\" href=\"\/media\/a8waterpump\/A8_frontend01.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing bumper 98 A8\" src=\"\/media\/a8waterpump\/tn_A8_frontend01.jpg\" alt=\"removing bumper 98 A8\" width=\"200\" height=\"112\" \/><\/a> <a class=\"preview\" title=\"removing windshieldwasher\" href=\"\/media\/a8waterpump\/A8_frontend02.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing windshieldwasher\" src=\"\/media\/a8waterpump\/tn_A8_frontend02.jpg\" alt=\"removing windshieldwasher\" width=\"200\" height=\"112\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"removing windshieldwasher tubes\" href=\"\/media\/a8waterpump\/A8_frontend10.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing windshieldwasher tubes\" src=\"\/media\/a8waterpump\/tn_A8_frontend10.jpg\" alt=\"removing windshieldwasher tubes\" width=\"200\" height=\"112\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\">Remove 2 10mm Hex bolt securing the bumper to the frame shock absorbers<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"10mm hex bolt securing the bumper to chassis\" href=\"\/media\/a8waterpump\/A8_frontend11.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"10mm hex bolt securing the bumper to chassis\" src=\"\/media\/a8waterpump\/tn_A8_frontend11.jpg\" alt=\"10mm hex bolt securing the bumper to chassis\"  width=\"200\" height=\"112\"\/><\/a>   <a class=\"preview\" title=\"10mm hex bolt securing the bumper to chassis\" href=\"\/media\/a8waterpump\/A8_frontend12.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"10mm hex bolt securing the bumper to chassis\" src=\"\/media\/a8waterpump\/tn_A8_frontend12.jpg\" alt=\"10mm hex bolt securing the bumper to chassis\"  width=\"200\" height=\"112\"\/><\/a><\/p>\n<p style=\"text-align: center;\"><em>After the bolts (2) are out, go to the tire well, pull the fender liner out clear the bumper itself (both sides) then in the front center of the bumper, pull and slide it horizontally out from the brackets like a drawer, if it doesn&#8217;t come out easily, something is still attached to it.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"10mm hex bolt securing the bumper to chassis\" href=\"\/media\/a8waterpump\/A8_frontend13.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"10mm hex bolt securing the bumper to chassis\" src=\"\/media\/a8waterpump\/tn_A8_frontend13.jpg\" alt=\"10mm hex bolt securing the bumper to chassis\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"slide the bumper forward from the center\" href=\"\/media\/a8waterpump\/A8_frontend14.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"slide the bumper forward from the center\" src=\"\/media\/a8waterpump\/tn_A8_frontend14.jpg\" alt=\"slide the bumper forward from the center\"  width=\"200\" height=\"112\"\/><\/a>   <a class=\"preview\" title=\"slide the bumper forward from the center\" href=\"\/media\/a8waterpump\/A8_frontend15.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"slide the bumper forward from the center\" src=\"\/media\/a8waterpump\/tn_A8_frontend15.jpg\" alt=\"slide the bumper forward from the center\"  width=\"200\" height=\"112\"\/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"front bumper is out\" href=\"\/media\/a8waterpump\/A8_frontend20.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"front bumper is out\" src=\"\/media\/a8waterpump\/tn_A8_frontend20.jpg\" alt=\"front bumper is out\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>This whole procedure is only takes about 15 minutes, it seems like a lot of work, but it isn&#8217;t and it saves lot of time and pain working on tight spaces. Don&#8217;t be lazy!!!<\/em><\/p>\n<p style=\"text-align: center;\"><em>Now go to the right side and remove all the AC electrical connections to remove the front end.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"Electrical plug for bumper sensors &amp; foglights\" href=\"\/media\/a8waterpump\/A8_frontend22.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"ac connection need to be removed\" src=\"\/media\/a8waterpump\/tn_A8_frontend22.jpg\" alt=\"ac connection need to be removed\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"Electrical plug for bumper sensors\" href=\"\/media\/a8waterpump\/A8_frontend23.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"Electrical plug for bumper sensors\" src=\"\/media\/a8waterpump\/tn_A8_frontend23.jpg\" alt=\"Electrical plug for bumper sensors\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Now drain the radiator-we can do this without removing the bumper.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"drain radiator coolant by turning the blue screw CW\" href=\"\/media\/a8waterpump\/A8_frontend24.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"drain radiator coolant\" src=\"\/media\/a8waterpump\/tn_A8_frontend24.jpg\" alt=\"drain radiator coolant\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"drain radiator coolant\" href=\"\/media\/a8waterpump\/A8_frontend28.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"drain radiator coolant\" src=\"\/media\/a8waterpump\/tn_A8_frontend28.jpg\" alt=\"drain radiator coolant\" width=\"300\" height=\"400\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\">To remove the water hoses, we need to remove all the engine covers, the hood release cable. Slide the driver side out first, then the passenger side and move it to the back somewhere so it doesn&#8217;t get in the way later.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"hood release cable\" href=\"\/media\/a8waterpump\/A8_frontend33.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hood release cable\" src=\"\/media\/a8waterpump\/tn_A8_frontend33.jpg\" alt=\"hood release cable\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"hood release cable\" href=\"\/media\/a8waterpump\/A8_frontend34.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hood release cable\" src=\"\/media\/a8waterpump\/tn_A8_frontend34.jpg\" alt=\"hood release cable\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Remove air cleaner intake vents at the radiator<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"air cleaner intake vents\" href=\"\/media\/a8waterpump\/A8_frontend35.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"air cleaner intake vents\" src=\"\/media\/a8waterpump\/tn_A8_frontend35.jpg\" alt=\"air cleaner intake vents\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"air cleaner intake vents\" href=\"\/media\/a8waterpump\/A8_frontend36.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"air cleaner intake vents\" src=\"\/media\/a8waterpump\/tn_A8_frontend36.jpg\" alt=\"air cleaner intake vents\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Remove waterhoses top and bottom<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"waterhose top\" href=\"\/media\/a8waterpump\/A8_frontend37.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"waterhose top\" src=\"\/media\/a8waterpump\/tn_A8_frontend37.jpg\" alt=\"waterhose top\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"waterhose bottom\" href=\"\/media\/a8waterpump\/A8_frontend39.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"waterhose bottom\" src=\"\/media\/a8waterpump\/tn_A8_frontend39.jpg\" alt=\"waterhose bottom\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"waterhose \" href=\"\/media\/a8waterpump\/A8_frontend40.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"waterhose \" src=\"\/media\/a8waterpump\/tn_A8_frontend40.jpg\" alt=\"waterhose \" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"waterhose \" href=\"\/media\/a8waterpump\/A8_frontend41.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"waterhose \" src=\"\/media\/a8waterpump\/tn_A8_frontend41.jpg\" alt=\"waterhose \" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>remove electrical plug above the bottom radiator hose and pull the hose out.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"bottom radiator hose\" href=\"\/media\/a8waterpump\/A8_frontend44.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"bottom radiator hose\" src=\"\/media\/a8waterpump\/tn_A8_frontend44.jpg\" alt=\"bottom radiator hose\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"bottom radiator hose\" href=\"\/media\/a8waterpump\/A8_frontend57.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"bottom radiator hose\" src=\"\/media\/a8waterpump\/tn_A8_frontend57.jpg\" alt=\"bottom radiator hose\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Remove both headlight assemblies<\/em><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"headlight assembly\" href=\"\/media\/a8waterpump\/A8_frontend48.jpg\"><em><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"headlight assembly\" src=\"\/media\/a8waterpump\/tn_A8_frontend48.jpg\" alt=\"headlight assembly\" \/><\/em><\/a><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"headlight assembly\" href=\"\/media\/a8waterpump\/A8_frontend49.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"headlight assembly\" src=\"\/media\/a8waterpump\/tn_A8_frontend49.jpg\" alt=\"headlight assembly\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"top screws (2) headlight assembly\" href=\"\/media\/a8waterpump\/A8_frontend52.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"top screws (2) headlight assembly\" src=\"\/media\/a8waterpump\/tn_A8_frontend52.jpg\" alt=\"top screws (2) headlight assembly\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"headlight assembly bottom 2 screws\" href=\"\/media\/a8waterpump\/A8_frontend59.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"headlight assembly bottom 2 screws\" src=\"\/media\/a8waterpump\/tn_A8_frontend59.jpg\" alt=\"headlight assembly bottom 2 screws\" \/><\/a><br \/>\n<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"headlight electrical plug\" href=\"\/media\/a8waterpump\/A8_frontend53.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"headlight electrical plug\" src=\"\/media\/a8waterpump\/tn_A8_frontend53.jpg\" alt=\"headlight electrical plug\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Front end radiator bracket hex bolt (2) one on each side<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"hex bolt (2) radiator bracket\" href=\"\/media\/a8waterpump\/A8_frontend60.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hex bolt (2) radiator bracket\" src=\"\/media\/a8waterpump\/tn_A8_frontend60.jpg\" alt=\"hex bolt (2) radiator bracket\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"hex bolt (2) radiator bracket\" href=\"\/media\/a8waterpump\/A8_frontend61.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hex bolt (2) radiator bracket\" src=\"\/media\/a8waterpump\/tn_A8_frontend61.jpg\" alt=\"hex bolt (2) radiator bracket\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Loosen the bolts, give some support to the radiator bracket. Remove the bumer shocks (3 big bolts), mark the position of the shock with black marker pen for re-installation. <\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"loosen the hex bolt\" href=\"\/media\/a8waterpump\/A8_frontend62.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"loosen the hex bolt\" src=\"\/media\/a8waterpump\/tn_A8_frontend62.jpg\" alt=\"loosen the hex bolt\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"support the radiator bracket\" href=\"\/media\/a8waterpump\/A8_frontend63.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"support the radiator bracket\" src=\"\/media\/a8waterpump\/tn_A8_frontend63.jpg\" alt=\"support the radiator bracket\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"mark the shock position, remove 3 bolts and the shock\" href=\"\/media\/a8waterpump\/A8_frontend66.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"mark the shock position, remove 3 bolts and the shock\" src=\"\/media\/a8waterpump\/tn_A8_frontend66.jpg\" alt=\"mark the shock position, remove 3 bolts and the shock\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Remove the hex bolt securing the passenger side radiator bracket, lift the bracket up and out carefully not to put so much stress on the power steering hose on the driver side, rest the radiator bracket on the support.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"power steering hose stretched out\" href=\"\/media\/a8waterpump\/A8_frontend67.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"power steering hose stretched out\" src=\"\/media\/a8waterpump\/tn_A8_frontend67.jpg\" alt=\"power steering hose stretched out\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"radiator bracket moved out\" href=\"\/media\/a8waterpump\/A8_frontend68.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"radiator bracket moved out\" src=\"\/media\/a8waterpump\/tn_A8_frontend68.jpg\" alt=\"radiator bracket moved out\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"radiator assembly is moved out\" href=\"\/media\/a8waterpump\/A8_frontend72.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"radiator bracket moved out\" src=\"\/media\/a8waterpump\/tn_A8_frontend72.jpg\" alt=\"radiator assembly is moved out\" \/><\/a><br \/>\n<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"radiator bracket moved out\" href=\"\/media\/a8waterpump\/A8_frontend70.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"radiator bracket moved out\" src=\"\/media\/a8waterpump\/tn_A8_frontend70.jpg\" alt=\"radiator bracket moved out\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Now we have more room to work on our water pump replacement<\/em><\/p>\n<p style=\"text-align: center;\">Removing the radiator fan. We remove the fan by removing 3 hex bolts securing it to the base. Now we can see the big center bolt and 3 10mm bolts of the pulley. We need to remove the center bolt and it&#8217;s left handed thread which means CLOCKWISE is to OPEN, if we use the 10mm bolt as anchor to remove the center bolt, the 10mm bolt will turn open (counterclockwise), the only way to anchor this is to use a long 10mm box wrench, put it on one of the 10mm bolt at the same time resting wrench on the center shaft, hold it tight and hammer the crescent wrench attached to the center bolt, after 2 strong hits, the bolt start to turn.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"removing electromagnetic fan\" href=\"\/media\/a8waterpump\/A8_frontend73.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing electromagnetic fan\" src=\"\/media\/a8waterpump\/tn_A8_frontend73.jpg\" alt=\"removing electromagnetic fan\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"removing electromagnetic fan\" href=\"\/media\/a8waterpump\/A8_frontend74.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing electromagnetic fan\" src=\"\/media\/a8waterpump\/tn_A8_frontend74.jpg\" alt=\"removing electromagnetic fan\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"removing electromagnetic fan - REVERSED THREADS\" href=\"\/media\/a8waterpump\/A8_frontend76.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing electromagnetic fan\" src=\"\/media\/a8waterpump\/tn_A8_frontend76.jpg\" alt=\"removing electromagnetic fan\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Now we&#8217;re going to remove the serpentine belt, 13mm deep socket needed (the bolt is black and on top the black plastic roller), counterclockwise is the release the tension. We&#8217;re going to change a new belt, we don&#8217;t need to mark the rotation.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"removing the serpentine belt\" href=\"\/media\/a8waterpump\/A8_frontend77.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"removing the serpentine belt\" src=\"\/media\/a8waterpump\/tn_A8_frontend77.jpg\" alt=\"removing the serpentine belt\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"Removed electromagnetic fan pulley\" href=\"\/media\/a8waterpump\/A8_frontend79.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"Removed electromagnetic fan pulley\" src=\"\/media\/a8waterpump\/tn_A8_frontend79.jpg\" alt=\"Removed electromagnetic fan pulley\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Remove driver side timing belt cover, 2 hex bolts<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"timing belt cover right side 2 hex bolts\" href=\"\/media\/a8waterpump\/A8_frontend80.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"timing belt cover right side 2 hex bolts\" src=\"\/media\/a8waterpump\/tn_A8_frontend80.jpg\" alt=\"timing belt cover right side 2 hex bolts\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>The passenger side timing belt cover is harder to remove, start with the engine mount<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"passenger side timing belt cover, first bolt-engine mount\" href=\"\/media\/a8waterpump\/A8_frontend81.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"passenger side timing belt cover, first bolt-engine mount\" src=\"\/media\/a8waterpump\/tn_A8_frontend81.jpg\" alt=\"passenger side timing belt cover, first bolt-engine mount\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>There are 2 hidden bolts hiding under the shock absorber, need to rotate the serpentine tensioner to see either one of them. I called this #2 &amp; 3 bolts<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"hidden bolts of the timing belt cover under the shock\" href=\"\/media\/a8waterpump\/A8_frontend84.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hidden bolts of the timing belt cover under the shock\" src=\"\/media\/a8waterpump\/tn_A8_frontend84.jpg\" alt=\"hidden bolts of the timing belt cover under the shock\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\">Total we should have is 4 long bolts and 1 short bolt (bottom). Remove 2 hex bolts and the shock absorber of the tensioner and the cover should come out right away, if not, there must be a bolt still exist. Watch the video<\/p>\n<p>Now rotate the Harmonic Balancer to top dead center mark.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"set TDC crank pulley\" href=\"\/media\/a8waterpump\/A8_waterpump01.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"TDC mark on crank pulley\" src=\"\/media\/a8waterpump\/tn_A8_waterpump01.jpg\" alt=\"set TDC crank pulley\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Mark both camshaft on the 1 revolution at TDC<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"First mark TDC\" href=\"\/media\/a8waterpump\/A8_frontend85.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"First mark TDC\" src=\"\/media\/a8waterpump\/tn_A8_frontend85.jpg\" alt=\"First mark TDC\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"First mark TDC\" href=\"\/media\/a8waterpump\/A8_frontend87.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"First mark TDC\" src=\"\/media\/a8waterpump\/tn_A8_frontend87.jpg\" alt=\"First mark TDC\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Rotate the crank pulley 1 more revolution and mark again<\/em><\/p>\n<p style=\"text-align: center;\">So, every 2 revolutions, the camshafts marks will be back to the same positions.<br \/>\nWe decided to choose the TDC that corresponds to the little dots on the cam sprockets at top. We use the tie wrap to lock the cam sprockets in place (since we don&#8217;t have the cams locator tools and we assumed that the current position is correct).Mark the timing belt with marker also.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"tie-wrap sprocket with marked TDC\" href=\"\/media\/a8waterpump\/A8_waterpump06.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"tie-wrap sprocket with marked TDC\" src=\"\/media\/a8waterpump\/tn_A8_waterpump06.jpg\" alt=\"tie-wrap sprocket with marked TDC\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"tie-wrap sprocket with marked TDC\" href=\"\/media\/a8waterpump\/A8_waterpump07.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"tie-wrap sprocket with marked TDC\" src=\"\/media\/a8waterpump\/tn_A8_waterpump07.jpg\" alt=\"tie-wrap sprocket with marked TDC\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Now we&#8217;re ready to remove the timing belt off the water pump pulley. First we need to loosen the belt tension, look at the eccentric roller, mark all the original position for later re-tensioning.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"release tensioner CW\" href=\"\/media\/a8waterpump\/A8_waterpump08.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"release tensioner CW \" src=\"\/media\/a8waterpump\/tn_A8_waterpump08.jpg\" alt=\"release tensioner CW\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"eccentric roller is loosen and the TB tension is released\" href=\"\/media\/a8waterpump\/A8_waterpump09.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"eccentric roller is loosen and the TB tension is released\" src=\"\/media\/a8waterpump\/tn_A8_waterpump09.jpg\" alt=\"eccentric roller is loosen and the TB tension is released\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Now we can slide the belt off the water pump roller. Next we need to remove the belt tension shock absorber that&#8217;s in the way.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"pull the timing belt of the Water Pump pulley\" href=\"\/media\/a8waterpump\/A8_waterpump10.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"pull the timing belt of the Water Pump pulley\" src=\"\/media\/a8waterpump\/tn_A8_waterpump10.jpg\" alt=\"pull the timing belt of the Water Pump pulley\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Remove all 9 screws (star) and push the tension lever down to remove the water pump, knock it lightly at the pulley, it should come out, if not, there must be a screw still in place. Now remove the thermostat housing by 2 little screws. Test the new thermostat to make sure it works by placing the old and new in the boiling water. They should open, the old should open faster and close slower (in our case at least).<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"water pump exposed\" href=\"\/media\/a8waterpump\/A8_waterpump12.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"water pump exposed\" src=\"\/media\/a8waterpump\/tn_A8_waterpump12.jpg\" alt=\"water pump exposed\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"water pump out and thermostat\" href=\"\/media\/a8waterpump\/A8_waterpump13.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"water pump out and thermostat\" src=\"\/media\/a8waterpump\/tn_A8_waterpump13.jpg\" alt=\"water pump out and thermostat\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"checking thermostats new and old\" href=\"\/media\/a8waterpump\/A8_waterpump16.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"verifying new thermostat for malfunction\" src=\"\/media\/a8waterpump\/tn_A8_waterpump16.jpg\" alt=\"verifying new thermostat for malfunction\" \/><\/a><\/p>\n<p style=\"text-align: center;\">Verify the marking on the new thermostat (87c), put the seal ring on and place it back in place with the vent (dot) on TOP.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"new thermostat 87c\" href=\"\/media\/a8waterpump\/A8_waterpump20.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"new thermostat\" src=\"\/media\/a8waterpump\/tn_A8_waterpump20.jpg\" alt=\"new thermostat 87c\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Replace thermostat correctly with O ring in place<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"thermostat back in place with the dot\" href=\"\/media\/a8waterpump\/A8_waterpump22.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"thermostat back in place with the dot\" src=\"\/media\/a8waterpump\/tn_A8_waterpump22.jpg\" alt=\"thermostat back in place with the dot\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\">Put back the housing and tighten the screws snugged tight, don&#8217;t strip them. Now put some gasket sealer on the water pump gasket and install the water pump. We used the high temp gasket maker. Evenly apply it through out the front and back of the gasket.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"hi-temp silicon gasket on new water pump\" href=\"\/media\/a8waterpump\/A8_waterpump25.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hi-temp silicon gasket on new water pump\" src=\"\/media\/a8waterpump\/tn_A8_waterpump25.jpg\" alt=\"hi-temp silicon gasket on new water pump\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"hi-temp silicon gasket on new water pump\" href=\"\/media\/a8waterpump\/A8_waterpump27.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"hi-temp silicon gasket on new water pump\" src=\"\/media\/a8waterpump\/tn_A8_waterpump27.jpg\" alt=\"hi-temp silicon gasket on new water pump\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Put the new water pump back in place, we have to push down the tenstioner again.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"New water pump\" href=\"\/media\/a8waterpump\/A8_waterpump29.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"New water pump\" src=\"\/media\/a8waterpump\/tn_A8_waterpump29.jpg\" alt=\"New water pump\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\">Install 9 screws and tighten them snugged tight like audipages.com and here we went wrong by mis-reading the specs. 20lb-in and max 89lb-in, we tighten with ft-lb torque wrench and @ 17ft-lb, the #1 (per audipages.com) stripped because 17ft-lbx12 = 204lb-in. Darn it. READ SPECS CAREFULLY or the best OLD FASHION WAY, by the &#8220;feel&#8221;.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"broken stud\" href=\"\/media\/a8waterpump\/A8_waterpump30.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"broken stud\" src=\"\/media\/a8waterpump\/tn_A8_waterpump30.jpg\" alt=\"broken stud\" \/><\/a><\/p>\n<p style=\"text-align: center;\">So we went to autozone to get one off those $2.99 bolt extractor 1\/8-1\/4 size and it didn&#8217;t do squat. Went to Harbor Freight and get a real set for $7.99 and it came out. Drilling is a pain, it must be straight and slowly and carefully. This set us back 4 hours.But at least we could get it out.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"extraction tool for stud\" href=\"\/media\/a8waterpump\/A8_waterpump31.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"extraction tool for stud\" src=\"\/media\/a8waterpump\/tn_A8_waterpump31.jpg\" alt=\"extraction tool for stud\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"extracted stud\" href=\"\/media\/a8waterpump\/A8_waterpump32.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"extracted stud\" src=\"\/media\/a8waterpump\/tn_A8_waterpump32.jpg\" alt=\"extracted stud\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Now we refit the water pump again and torqued all screws correctly. Diagonal screws tighten pattern is always the best way.<\/em><\/p>\n<p style=\"text-align: center;\">While the belt tension is off, check all the sprockets and rollers for looseness (in\/out) and spins, if they&#8217;re totally loose, then replace them. Ours are OK, not much free play and they all spinning nicely.<\/p>\n<p>In order to put the timing belt back under the new water pump roller (pulley), we need to slightly rotate the Harmonic Balancer (the big pulley) counterclockwise just a tad, make sure the belt is in the left roller (the roller above the eccentric one) first then water pump&#8217;s.<\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"install the timing belt\" href=\"\/media\/a8waterpump\/A8_waterpump35-1.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"install the timing belt\" src=\"\/media\/a8waterpump\/tn_A8_waterpump35-1.jpg\" alt=\"install the timing belt\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>Check the cam sprockets for marks lining up with the belt like before.<\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"check timing belt marks\" href=\"\/media\/a8waterpump\/A8_waterpump33.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"check timing belt marks\" src=\"\/media\/a8waterpump\/tn_A8_waterpump33.jpg\" alt=\"check timing belt marks\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em><a class=\"preview\" title=\"check timing belt marks\" href=\"\/media\/a8waterpump\/A8_waterpump34.jpg\"><img decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"check timing belt marks\" src=\"\/media\/a8waterpump\/tn_A8_waterpump34.jpg\" alt=\"check timing belt marks\" \/><\/a><\/em><\/p>\n<p style=\"text-align: center;\"><em>Put back the tensioner shock absorber and re-tension the timing belt to the original position or close to it, not too tight, not too loose. Cut the tie-wraps, rotate by hand-crank a few revolutions to make sure the belt is rotating smoothly and the marks are still in place. Then TIGHTEN the ECCENTRIC ROLLER one more time.<\/em><\/p>\n<\/div>\n<p style=\"text-align: center;\"><em><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/ufAmHqgVHbE?rel=0\" width=\"560\" height=\"315\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/em><\/p>\n<p style=\"text-align: center;\">Put back the passenger timing belt cover. Make sure the sleeves for the hex bolts are there when we took them off for tie wraps.<br \/>\nPut back the driver timing belt cover. Make sure the sleeves for the hex bolts are there.<br \/>\nPut back the radiator fan with the reversed thread bolt, using the rubber strap is best since the serpentine belt is not on.<br \/>\nPut the new serpentine belt, and make sure it runs through pulleys and rollers correctly, the drawing in audipages is not clear, look at the picture of the engine.<br \/>\nPut back the radiator frame and watch for the position, but in our case, when we tighten the 2 hex bolts at the fenders, everything seem to be in place, the same marking as before.<br \/>\nPut back the A\/C electrical connector.<br \/>\nPut back the engine damper bolt at the passenger side cover.<br \/>\nPut back the water hoses and make sure the radiator drain is closed (the blue screw), we never drain the engine coolant.<br \/>\nAdd coolant, unscrew two bleeder valves at the heater core, if the screw slot is broken, use <span style=\"color: #ff0000;\"><span style=\"background-color: #ffff00;\">15mm box wrench. Read Audipages.com procedure. The amount we add should be the same as the amount we drained out.<\/span><\/span><\/p>\n<p style=\"text-align: center;\"><a class=\"preview\" title=\"15mm box wrench for the bleeders\" href=\"\/media\/a8waterpump\/15mm_bleeder.jpg\" rel=\"lightbox\"><img loading=\"lazy\" decoding=\"async\" style=\"border: 2px solid black; vertical-align: baseline;\" title=\"15mm box wrench for the bleeders\" src=\"\/media\/a8waterpump\/15mm_bleeder.jpg\" alt=\"15mm box wrench for the bleeders\" width=\"400\" height=\"300\" \/><\/a><br \/>\nPut back the engine covers and intake ducts.<br \/>\nMake sure everything is done and no tools are in the ways of rollers and belt and fans.<br \/>\nConnect the battery, start the engine and we should hear it purrs like before we open it up because all our marks were there.<\/p>\n<ul class=\"lcp_catlist\" id=\"lcp_instance_0\"><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The coolant leaks caused us to believe it was from the water pump, our bad, and we replaced it. ****The bumper should come out for the radiator to move out to have room to access the front of the engine. It took me less than 1 hour to remove the bumper and the radiator support. <a href=\"https:\/\/www.dognmonkey.com\/audi\/a8-d2-water-pump-replacement.html\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[52,118,119],"class_list":["post-313","post","type-post","status-publish","format-standard","hentry","category-a8-d2","tag-a8-water-pump","tag-bumper-removal","tag-radiator-assembly-removal"],"views":20304,"_links":{"self":[{"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/posts\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/comments?post=313"}],"version-history":[{"count":3,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/posts\/313\/revisions"}],"predecessor-version":[{"id":3836,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/posts\/313\/revisions\/3836"}],"wp:attachment":[{"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/media?parent=313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/categories?post=313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/audi\/wp-json\/wp\/v2\/tags?post=313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}