2001 Audi S4 engine and engine cooling problems
11 owner complaints filed with NHTSA name the engine and engine cooling on the 2001 Audi S4 — 13% of all complaints for this model year.
What owners report
“Vehicle is experiencing radiator coolant leakage into engine oil. This is causing accelerated wear of components lubricated by the engine oil. Unless corrected, this contamination will lead to failure of the motor. The vehicle was inspected and tested by an audi service center with no cause…”
filed Aug 6, 2007
“Coolant in oil. Can't trace it down, have had 5 rear main seals replaced, had the external oil filter parts replaced and still coolant is finding it's way into the motor, causing the motor to prematurely wear. Audi knows about the issue they have brought engines back to germany for review, but have…”
filed Jul 21, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other S4 years
| Year | Reports | Share |
|---|---|---|
| 2010 S4 | 11 | 18% |
| 2005 S4 | 3 | 7% |
| 2004 S4 | 12 | 41% |
| 2002 S4 | 1 | 5% |
| 2000 S4 | 4 | 3% |
Other reported problem areas on the 2001 Audi S4
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.