A6 C4

Audi A6 C4 models 1991-1997

Audi Radio SAFE Mode Reset

Some old Delta CC radios have to reset with security codes when the “SAFE” message came on, normally after battery died or replaced. Here is how to reset the “SAFE” with the security codes, this procedure should be the same for all Audi radios, check the manual. Delta CC radio is on the 96 Audi

Audi Transmission Safe (Limp) Mode

Transmission in Safe (Limp) mode is when the transmission only works in third gear only, all the gear selector indicators all light up. I still don’t know what causes this, but if you drive the car home (in third gear only ~ 40-45 MPH max) or leave it for about 2 hours, it will reset

Replace Valve Cover Gasket A6 Avant 2.8L

Audi A6 2.8L V6

Our faithful 96 A6 Avant 2.8L failed smog check, not because of the Smog limits, but because of the oil burning smokes and blue smoke coming from the engine bay and the exhaust pipe. The smog technician insisted that the smokes come from the engine bay is the crank case leaks, although we could see

Fix Engine Rough Idle, Stall At Stops, Sluggish Acceleration

All cars these days have fuel injections and tons of vacuum hoses in the engine which contribute to smooth idling, starts up easily at cold weather, when the cars get older, rubber connections get brittle and break off, cars starts to run rough, stalls at red lights, hard to start hot or cold, these are

Fix Audi A6 Sunroof Motor Gear And Rails Slipping

Today, the battery on our 96 A6 Avant almost died after many weeks not running and the weather was cold. The weak battery some how caused the sunroof switch, gear and rails malfunction. The sunroof was opened all the way, turn the switch to close and it only moved in a little even the motor