{"id":6069,"date":"2021-07-04T12:00:43","date_gmt":"2021-07-04T19:00:43","guid":{"rendered":"https:\/\/dognmonkey.com\/svlifevn\/?p=6069"},"modified":"2021-07-04T12:02:30","modified_gmt":"2021-07-04T19:02:30","slug":"xe-chay-overheat-qua-nong","status":"publish","type":"post","link":"https:\/\/www.dognmonkey.com\/svlifevn\/xe-chay-overheat-qua-nong.html","title":{"rendered":"Xe Ch\u1ea1y Overheat – Qu\u00e1 N\u00f3ng"},"content":{"rendered":"
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Ch\u1ea1y xe c\u0169 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1i t\u1ed9i, nh\u01b0ng n\u1ebfu kh\u00f4ng hi\u1ec3u v\u1ec1 xe c\u00f3 th\u1ec3 b\u1ecb t\u1ed1n ti\u1ec1n v\u00f4 t\u1ed9i v\u1ea1.<\/em><\/div>\n
M\u00f9a h\u00e8 s\u1eafp t\u1edbi, ngo\u00e0i AC kh\u00f4ng l\u1ea1nh, ng\u01b0\u1eddi l\u00e1i xe c\u0169 c\u00f3 th\u1ec3 b\u1ecb xe overheat khi ch\u1ea1y freeway ho\u1eb7c stop and go trong th\u00e0nh ph\u1ed1 n\u1ebfu kh\u00ed h\u1eadu 90F. Tr\u01b0\u1edbc khi \u00f4ng gi\u00e0 v\u1ee3 mua xe Toyota RAV4, \u00f4ng th\u01b0\u1eddng ch\u1ea1y chi\u1ebfc Honda Odyssey, xe ch\u1ea1y r\u1ea5t t\u1ed1t v\u00ec \u00f4ng mua m\u1edbi v\u00e0 thay d\u1ea7u \u0111\u00fang h\u1ea1n, khi xe t\u1edbi 270k miles, \u1ed5ng g\u1ecdi cho t\u00f4i, ph\u00e0n n\u00e0n xe b\u1ecb overheat khi ch\u1ea1y l\u1eb9 tr\u00ean freeway v\u00e0 trong th\u00e0nh ph\u1ed1 lu\u00f4n. \u00d4ng \u0111em ra ti\u1ec7m VN b\u1ea1n gi\u1edbi thi\u1ec7u, h\u1ecd khuy\u00ean thay distributor $600, kh\u00f4ng h\u1ebft n\u00f3ng, h\u1ecd thay rebuilt head $1500, kh\u00f4ng h\u1ebft b\u1ec7nh, kh\u00f4ng bi\u1ebft \u0111i \u0111\u00e2u g\u1ecdi cho t\u00f4i. T\u00f4i h\u1ecfi b\u1ed1 c\u00f3 bi\u1ebft t\u1ea1i sao xe b\u1ecb overheat kh\u00f4ng? T\u1ea1i sao b\u1ed1 nghe n\u00f3 thay distributor, r\u1ed3i rebuilt head? T\u1ea1i sao kh\u00f4ng g\u1ecdi con l\u00fac xe b\u1ecb h\u01b0 m\u00e0 tr\u1ea3 $2100 r\u1ed3i m\u1edbi t\u1edbi? \u1ed4ng n\u00f3i ti\u1ec7m khuy\u00ean n\u00ean th\u00e1o thermostat ra c\u00f3 th\u1ec3 l\u00e0m m\u00e1y ch\u1ea1y b\u1edbt n\u00f3ng. Ti\u1ec1n \u0111\u00fang l\u00e0 v\u1ee9t ra c\u1eeda s\u1ed5, cho ch\u00e1u ch\u1eaft t\u1ed1t h\u01a1n. T\u1ea1i h\u1ecd n\u00f3i xe c\u0169 r\u1ed3i, n\u00ean kh\u00f3 s\u1eeda cho h\u1ebft b\u1ec7nh.<\/em><\/div>\n
B\u00e2y gi\u1edf t\u00f4i xin gi\u1ea3i th\u00edch t\u1ea1i sao m\u00e1y c\u00f3 th\u1ec3 ch\u1ea1y qu\u00e1 n\u00f3ng v\u00e0 nh\u1eefng g\u00ec kh\u00f4ng d\u00ednh l\u00edu t\u1edbi chuy\u1ec7n n\u00e0y cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng hi\u1ec3u v\u1ec1 m\u00e1y xe c\u0169 . M\u00e1y xe nh\u1eadt n\u1ed5i ti\u1ebfng l\u00e0 ch\u1ea1y COOL v\u00ec n\u00f3 l\u00e0m b\u1edfi m\u1ed9t loai aluminum pha ch\u1ebf \u0111\u1eb7c bi\u1ec7t, kh\u00e1c xe m\u1ef9 v\u00e0 nh\u1eefng n\u01b0\u1edbc kh\u00e1c, ch\u1ec9 c\u00f3 xe \u0110\u1ee9c aluminum c\u0169ng ch\u1ea1y t\u1ed1t nh\u01b0 Nh\u1eadt. Engine mu\u1ed1n ch\u1ea1y t\u1ed1t ph\u1ea3i ch\u1ea1y gi\u1eefa 195F-220F, d\u01b0\u1edbi kh\u00f4ng t\u1ed1t v\u00e0 h\u01a1n c\u0169ng kh\u00f4ng xong. C\u00e1i kim ch\u1ec9 v\u00e0o gi\u1eefa l\u00e0 c\u1ee1 212F. Khi m\u00e1y \u0111\u1ed1t x\u0103ng, n\u00f3 c\u00f3 th\u1ec3 n\u00f3ng t\u1edbi 400-500F, th\u00ec mu\u1ed1n gi\u1ea3m xu\u1ed1ng 212F th\u00ec n\u00f3 c\u1ea7n nh\u1edbt xe \u0111\u1ea7y \u0111\u1ee7 cho Piston \u0111\u1ee1 b\u1ecb ma s\u00e1t v\u00e0 coolant ch\u1ea1y trong th\u00e0nh m\u00e1y v\u00e0 head \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng.<\/em><\/div>\n
Cooling system n\u00e0y g\u1ed3m c\u00f3 nh\u1eefng g\u00ec? 1 c\u00e1i radiator, 1 c\u00e1i thermostat, 1 c\u00e1i heater core, 1 c\u00e1i water pump , 2 c\u00e1i \u0111o nhi\u1ec7t \u0111\u1ed9 (temperature sensors), 1 c\u00e1i reservoir v\u00e0 n\u01b0\u1edbc coolant ch\u1ea1y trong th\u00e0nh block v\u00e0 head.<\/em><\/div>\n
1. Thermostat : c\u00e1i n\u00e0y n\u1eb1m gi\u1eefa m\u00e1y v\u00e0 radiator \u0111\u1ec3 \u0111\u00f3ng m\u1edf cho coolant ch\u1ea1y v\u00e0o m\u00e1y t\u1ee7y theo nhi\u1ec7t \u0111\u1ed9 \u0111o \u1edf m\u00e1y, m\u00e1y mu\u1ed1n ch\u1ea1y t\u1ed1t th\u00ec khi m\u1edbi \u0111\u1ec1 m\u00e1y l\u00ean, n\u00f3 c\u00f3 nhi\u1ec7m v\u1ee5 \u0111\u00f3ng l\u1ea1i kh\u00f4ng cho n\u01b0\u1edbc coolant ch\u1ea1y v\u00e0o m\u00e1y \u0111\u1ec3 m\u00e1y n\u00f3ng l\u00ean \u0111\u1ee7 \u0111\u1ed9 nhanh ch\u00f3ng m\u1ed7i s\u00e1ng. Khi m\u00e1y n\u00f3ng l\u00ean qu\u00e1 160-176F t\u1ee7y theo m\u00e1y, n\u00f3 s\u1ebd m\u1edf ra cho n\u01b0\u1edbc coolant ch\u1ea1y v\u00e0o m\u00e1y \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u00e1y v\u00e0 s\u1ebd m\u1edf 100% khi m\u00e1y \u0111\u1ea1t \u0111\u01b0\u1ee3c 200F-220F t\u1ee7y theo xe. T\u1ea1i sao th\u1ee3 kh\u00f4ng t\u1eadn t\u00e2m khuy\u00ean v\u1ee9t c\u00e1i thermostat \u0111\u1ec3 m\u00e1y ch\u1ea1y m\u00e1t h\u01a1n v\u00ec l\u00fac n\u00e0o coolant c\u0169ng ch\u1ea1y v\u00e0o m\u00e1y, \u0111i\u1ec1u n\u00e0y ch\u1ec9 \u0111\u00fang khi m\u00e1y m\u1edbi \u0111\u1ec1 l\u00ean th\u00f4i nh\u01b0ng khi ch\u1ea1y n\u00f3ng m\u00e1y r\u1ed3i th\u00ec overheat v\u1eabn b\u1ecb overheat. N\u00f3 s\u1ebd l\u00e0m m\u00e1y ch\u1ea1y r\u1ea5t l\u00e2u m\u1edbi n\u00f3ng m\u1ed7i s\u00e1ng v\u00e0 l\u00e0m m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c n\u00f3ng l\u1eb9, t\u1ed1n x\u0103ng v\u00e0 kh\u00f4ng c\u00f3 heater l\u00ean l\u1eb9 m\u00f9a \u0111\u00f4ng.<\/em><\/div>\n
2. Temperature sensor: 2 c\u00e1i n\u00e0y r\u1ea5t quan tr\u1ecdng, n\u00f3 ph\u1ea3i \u0111o nhi\u1ec7t \u0111\u1ed9 m\u00e1y v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a radiator n\u01b0\u1edbc coolant. C\u00e1i trong m\u00e1y \u0111\u1ec3 m\u1edf thermostat v\u00e0 c\u00e1i \u1edf radiator \u0111\u1ec3 b\u1eadt qu\u1ea1t \u0111i\u1ec7n cho m\u00e1t radiator v\u00e0 coolant trong \u0111\u00f3.<\/em><\/div>\n
3. Water pump: c\u00e1i n\u00e0y \u0111\u1ec3 pump coolant v\u00e0o m\u00e1y t\u1eeb radiator duy chuy\u1ec3n n\u01b0\u1edbc coolant t\u1eeb radiator qua m\u00e1y, qua heater core v\u00e0 tr\u1edf l\u1ea1i radiator \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 l\u00f2ng m\u00e1y. C\u00e1i n\u00e0y ch\u1ec9 kh\u00f4ng ch\u1ea1y khi d\u00e2y serpentine belt b\u1ecb \u0111\u1ee9t m\u00e0 th\u00f4i, ch\u1ec9 ph\u1ea3i thay khi n\u00f3 b\u1ecb leak t\u1eeb c\u00e1i pulley. Serpentine belt l\u00e0 s\u1ee3i d\u00e2y n\u1ed1i m\u00e1y pulley, AC compressor, alternator, power steering, v\u00e0 water pump, n\u00f3 n\u1eb1m b\u00ean ngo\u00e0i v\u00e0 kh\u00f4ng d\u00ednh g\u00ec t\u1edbi t\u1edbi timing belt n\u1eb1m b\u00ean trong \u0111\u1eebng l\u1ed9n hai c\u00e1i d\u00e2y v\u1edbi nhau.<\/em><\/div>\n
4. Radiator : l\u00e0 c\u00e1i ch\u1ee9a n\u01b0\u1edbc coolant n\u1eb1m \u1edf \u0111\u1eb1ng tr\u01b0\u1edbc m\u0169i xe \u0111\u1ec3 gi\u00f3 \u0111i qua v\u00e0 l\u00e0m m\u00e1t n\u01b0\u1edbc, c\u00e1i n\u00e0y l\u00e0 c\u00e1i quan tr\u1ecdng nh\u1ea5t c\u1ee7a cooling system, trong l\u00f2ng radiator c\u00f3 nhi\u1ec1u c\u00e1i \u1ed1ng d\u1eabn n\u01b0\u1edbc, nh\u1eefng \u1ed1ng n\u00e0y m\u00e0 b\u1ecb t\u1eafc th\u00ec n\u01b0\u1edbc kh\u00f4ng ch\u1ea1y t\u1ed1t v\u00e0 m\u00e1y s\u1ebd b\u1ecb n\u00f3ng.<\/em><\/div>\n
5. Radiator reservoir: C\u00e1i n\u00e0y l\u00e0 b\u00ecnh nh\u1ef1a n\u1eb1m b\u00ean c\u1ea1nh radiator \u0111\u1ec3 khi n\u01b0\u1edbc n\u00f3ng t\u1eeb radiator tr\u00e0o ra th\u00ed ch\u1ea3y v\u00e0o \u0111\u00e2y. Quan tr\u1ecdng nh\u1ea5t l\u00e0 c\u00e1i n\u1eafp radiator ph\u1ea3i \u0111\u00fang cho xe v\u00ec n\u00f3 c\u00f3 c\u00e1i l\u00f2 xo s\u1ebd m\u1edf l\u00ean \u0111\u00fang v\u1edbi \u00e1p xu\u1ea5t ch\u1ec9 \u0111\u1ecbnh. Nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p c\u00e1i n\u00e0o b\u1ecf \u0111\u1ea1i c\u00e1i \u0111\u00f3, n\u1ebfu l\u00f2 xo qu\u00e1 nh\u1eb9, overflow qu\u00e1 s\u1edbm ho\u1eb7c qu\u00e1 n\u1eb7ng, kh\u00f4ng bao gi\u1edd c\u00f3 overflow. C\u00e1i design n\u00e0y l\u00e0 Nh\u1eadt l\u00e0m kh\u00f4ng t\u1ed1t, xe \u0110\u1ee9c kh\u00f4ng c\u00f3 n\u1eafp cho radiator n\u00ean kh\u00f4ng g\u1eafn l\u1ed9n \u0111\u01b0\u1ee3c.<\/em><\/div>\n
6. Heater Core: c\u00e1i n\u00e0y gi\u1ed1ng c\u00e1i radiator nh\u01b0ng nh\u1ecf h\u01a1n, n\u1eb1m b\u00ean trong xe \u0111\u1ec3 n\u01b0\u1edbc coolant \u1ea5m ch\u1ea1y qua cho m\u00ecnh \u1ea5m khi m\u1edf heater m\u00f9a l\u1ea1nh. Khi b\u1eadt m\u00e1y n\u00f3ng, c\u00e1i valve s\u1ebd m\u1edf cho n\u01b0\u1edbc coolant n\u00f3ng ch\u1ea1y qua v\u00e0 khi m\u1edf m\u00e1y l\u1ea1nh, n\u00f3 \u0111\u00f3ng l\u1ea1i \u0111\u1ec3 kh\u00f4ng b\u1ecb n\u00f3ng. N\u1ebfu c\u00e1i valve n\u01b0\u1edbc n\u00f3ng b\u1ecb h\u01b0, m\u1edf ho\u00e0i th\u00ec m\u00e1y l\u1ea1nh s\u1ebd kh\u00f4ng l\u1ea1nh v\u00ec th\u1ed5i chung v\u1edbi h\u01a1i n\u00f3ng.<\/em><\/div>\n
7. N\u01b0\u1edbc coolant: c\u00e1i n\u00e0y r\u1ea5t quan tr\u1ecdng, t\u00f4i b\u1ecf ti\u1ec1n ra mua distilled water thay v\u00ec d\u00f9ng n\u01b0\u1edbc trong nh\u00e0 v\u00ec n\u01b0\u1edbc trong nh\u00e0 c\u00f3 v\u00f4i, c\u00f3 nhi\u1ec1u kim lo\u1ea1i v\u00e0 nhi\u1ec1u ch\u1ea5t kh\u00f4ng bi\u1ebft. Pha t\u1ec9 l\u1ec7 50\/50 – m\u1ed9t n\u1eeda n\u01b0\u1edbc, m\u1ed9t n\u1eeda coolant. C\u00f3 nhi\u1ec1u lo\u1ea1i coolant, t\u00f4i mua coolant kh\u00f4ng c\u00f3 phosphate th\u00ec s\u1ebd t\u1ed1t cho aluminum, \u0111\u1eaft h\u01a1n nh\u01b0ng t\u1ed1t h\u01a1n. Khi t\u00f4i l\u00e0m m\u1ed9t l\u1ea7n v\u00e0 kh\u00f4ng bao gi\u1edf m\u1edf ra v\u00ec khi l\u00e0m \u0111\u00fang r\u1ed3i, n\u01b0\u1edbc s\u1ebd kh\u00f4ng m\u1ea5t n\u1ebfu cooling system t\u1ed1t.<\/em><\/div>\n<\/div>\n
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T\u1ea1i sao \u0111i thay c\u00e1i distributor? C\u00e1i distributor nhi\u1ec7m v\u1ee5 ch\u1ec9 chuy\u1ec1n \u0111i\u1ec7n t\u1edbi sparkplugs \u0111\u1ec3 n\u1ed5 m\u00e1y m\u00e0 th\u00f4i, khi m\u00e1y ch\u1ea1y \u00eam, distributor l\u00e0 t\u1ed1t.<\/em><\/div>\n
T\u1ea1i sao \u0111i thay rebuilt head? C\u00e1i head \u0111\u1ec3 l\u1ea5y mixture air v\u00e0 x\u0103ng \u0111\u1ec3 \u0111\u1ed1t v\u00e0 l\u1ea5y exhaust ra sau khi n\u00f3 \u0111\u1ed1t. Trong c\u00e1i head n\u00f3 c\u00f3 intake v\u00e0 exhaust valves, khi m\u1ea5y c\u00e1i n\u00e0y c\u0169, kh\u00f4ng ch\u1eb7t, b\u1ecb m\u1ebb, b\u1ecb h\u1edf th\u00ec m\u00e1y s\u1ebd ch\u1ea1y l\u1eafc l\u01b0 v\u00e0 kh\u00f4ng ch\u1ea1y \u0111\u01b0\u1ee3c, n\u1ebfu m\u00e1y ch\u1ea1y \u00eam v\u00e0 ngon l\u00e0nh th\u00ec head t\u1ed1t. M\u00ecnh ch\u1ec9 thay head gasket n\u1ebfu n\u01b0\u1edbc ch\u1ea1y v\u00e0o m\u00e1y, c\u00e1i n\u00e0y s\u1ebd cho ra kh\u00f3i tr\u1eafng to\u00e1t v\u00e0 nh\u1edbt s\u1ebd c\u00f3 n\u01b0\u1edbc tr\u1eafng trong \u0111\u00f3. Head \u00edt khi b\u1ecb h\u01b0.<\/em><\/div>\n<\/div>\n
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T\u00f4i \u0111i mua cho \u00f4ng gi\u00e0 m\u1ed9t c\u00e1i radiator m\u1edbi $65, m\u1ed9t c\u00e1i thermostat m\u1edbi $20, c\u00e1i waterpump kh\u00f4ng b\u1ecb leak. \u1ed4ng n\u00f3i m\u1ed7i l\u1ea7n sang s\u1ed1 m\u00e1y gi\u1ef1t c\u00e1i c\u1ee5p, t\u00f4i check c\u00e1i torque mount, b\u1ecb b\u1ec3, mua c\u00e1i m\u1edbi thay lu\u00f4n.<\/em><\/div>\n
Thay \u0111\u1ed3 xe nh\u1eadt kh\u00f4ng kh\u00f3, nhi\u1ec1u ch\u1ed7 r\u1ed9ng r\u00e3i cho m\u00ecnh l\u00e0m n\u00ean ai bi\u1ebft v\u1eb7n \u1ed1c c\u0169ng ra m\u1edf ti\u1ec7m chuy\u00ean v\u1ec1 xe nh\u1eadt m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng LOL.<\/em><\/div>\n
1. Drain n\u01b0\u1edbc coolant c\u0169 ra, \u1edf d\u01b0\u1edbi radiator v\u00e0 \u1edf d\u01b0\u1edbi block m\u00e1y, hai ch\u1ed7.<\/em><\/div>\n
2. M\u1edf m\u00e1y n\u00f3ng h\u1ebft ga cho heater core v\u00e0 m\u00e1y th\u00f4ng nhau \u0111\u1ec3 m\u00ecnh clean c\u00e1i heater core lu\u00f4n.<\/em><\/div>\n
3. G\u1ee1 c\u00e1i electric fan n\u1eb1m tr\u00ean c\u00e1i radiator, n\u00f3 c\u00f3 d\u00e2y \u0111i\u1ec7n, l\u00e0m c\u1ea9n th\u1eadn.<\/em><\/div>\n
4. G\u1ee1 c\u00e1i thermostat housing ra thay c\u00e1i m\u1edbi v\u00e0o. Tr\u01b0\u1edbc khi thay c\u00e1i m\u1edbi, \u0111em v\u00e0o nh\u00e0 b\u1ecf v\u00e0o n\u01b0\u1edbc s\u00f4i coi n\u00f3 c\u00f3 m\u1edf ra kh\u00f4ng, n\u00f3 m\u1edf th\u00ec h\u00e3y thay.<\/em><\/div>\n
5. Th\u00e1o c\u00e1i hose ch\u1ed7 heater core valve ra \u0111\u1ec3 n\u01b0\u1edbc t\u1eeb heater core ch\u1ea3y ra.<\/em><\/div>\n
6. G\u1ee1 Radiator v\u00e0 hose ra, n\u00f3 ch\u1ec9 c\u00f3 nhi\u1ec1u \u1ed1c th\u00f4i, kh\u00f4ng kh\u00f3.<\/em><\/div>\n
7. Flush h\u1ebft n\u01b0\u1edbc trong m\u00e1y v\u00e0 heater core ra b\u1eb1ng c\u00e1i hose x\u1ecbt n\u01b0\u1edbc, \u0111\u1ec3 v\u00e0o c\u00e1i hose v\u00f4 m\u00e1y v\u00e0 x\u1ecbt n\u01b0\u1edbc cho m\u1ea1nh, khi n\u01b0\u1edbc t\u1eeb heater core ra trong th\u00ec ng\u1eebng. Th\u00e1o \u1ed1c c\u1ee7a coolant d\u01b0\u1edbi m\u00e1y cho n\u01b0\u1edbc trong l\u00f2ng m\u00e1y ch\u1ea3y ra h\u1ebft. \u0110i u\u1ed1ng bia, h\u00fat thu\u1ed1c 15-20 ph\u00fat r\u1ed3i tr\u1edf l\u1ea1i cho n\u01b0\u1edbc ch\u1ea3y ra h\u1ebft.<\/em><\/div>\n
8. G\u1eafn c\u00e1i Radiator m\u1edbi v\u00e0o, n\u1ed1i l\u1ea1i h\u1ebft \u1ed1ng n\u01b0\u1edbc ch\u1eb7t ch\u1ebd, g\u1eafn l\u1ea1i electric fan.<\/em><\/div>\n
9. Pha n\u01b0\u1edbc coolant 50\/50 \u0111\u1ed5 v\u00e0o radiator, coi ch\u1eebng v\u00e0 \u01b0\u1edbc l\u01b0\u1ee3ng bao nhi\u00eau, check engine capacity cho xe m\u00ecnh. Khi \u0111\u1ed5 v\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t b\u00ecnh th\u00ec b\u1eaft \u0111\u1ea7u ch\u1ea1y m\u00e1y v\u00e0 ti\u1ebfp t\u1ee5c \u0111\u1ed5 v\u00e0o cho t\u1edbi khi \u0111\u1ea7y radiator, nh\u1edb m\u1edf heater 100% cho n\u01b0\u1edbc ch\u1ea1y v\u00e0o heater core. Check thermostat coi n\u00f3 t\u1ed1t kh\u00f4ng, nhi\u1ec7t \u0111\u1ed9 trong xe s\u1ebd l\u00ean m\u1ee9c trung b\u00ecnh trong v\u00f2ng 2-5 ph\u00fat.<\/em><\/div>\n
10. Khi m\u1ecdi th\u1ee9 t\u1ed1t r\u1ed3i, b\u00e2y gi\u1edd ph\u1ea3i BLEED c\u00e1i system cho \u0111\u1ea9y h\u1ebft air pockets ra kh\u1ecfi. \u0110\u1ec3 m\u00e1y ch\u1ea1y, m\u1edf \u1ed1c bleed valve ra \u0111\u1ee7 \u0111\u1ec3 coolant ch\u1ea3y ra, khi ch\u1ec9 th\u1ea5y n\u01b0\u1edbc ch\u1ea3y m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd kh\u00f4ng gi\u1ef1t v\u00ec air bubbles, kh\u00f3a l\u1ea1i th\u1eadt ch\u1eb7t, \u0111\u1ed5 n\u01b0\u1edbc cho \u0111\u1ea7y radiator r\u1ed3i v\u1eb7n n\u1eafp l\u1ea1i cho ch\u1eb7t. Th\u1ebf l\u00e0 xong.<\/em><\/div>\n
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