Engine complaints and recalls from NHTSA
Summary
The 2001 Audi S4 has 11 NHTSA engine complaints and 0 engine-related recalls.
11
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 10, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Jan 9, 2007 | ENGINE AND ENGINE COOLING | VEHICLE IS EXPERIENCING RADIATOR COOLANT LEAKAGE INTO ENGINE OIL. THIS IS CAUSING ACCELERATED WEAR O... |
| Jan 2, 2007 | ENGINE AND ENGINE COOLING | COOLANT IN OIL. CAN'T TRACE IT DOWN, HAVE HAD 5 REAR MAIN SEALS REPLACED, HAD THE EXTERNAL OIL FILTE... |
| Oct 20, 2006 | ENGINE AND ENGINE COOLING | COOLANT LEAKING INTO ENGINE OIL AT UNDETERMINED LOCATION. NO CAUSE IDENTIFIED NOR SOLUTION PROPOSED... |
| Aug 25, 2006 | ENGINE AND ENGINE COOLING | I HAVE A 2001 AUDI S4. THERE IS A VACUUM LINE BETWEEN THE MOTOR AND FIREWALL THAT HAS A CHECK VALVE ... |
| Apr 18, 2006 | ENGINE AND ENGINE COOLING | PLEASE REFER TO ODI NUMBER 10159801 1. SLOW COOLANT LEAK AND ENGINE OIL CONTAMINATION 2. LOW OIL... |
| Mar 17, 2006 | ENGINE AND ENGINE COOLING | VEHICLE IS EXPERIENCING RADIATOR COOLANT LEAKAGE INTO ENGINE OIL. THIS IS CAUSING ACCELERATED WEAR ... |
| Mar 5, 2006 | ENGINE AND ENGINE COOLING | INTERNAL COOLANT LEAK , SLOW LEAK DEVELOPED AND COOLANT CONTAMINATES THE OIL .. TOTALLY DESTROYING T... |
| Nov 28, 2005 | ENGINE AND ENGINE COOLING | VEHICLE IS EXPERIENCING RADIATOR COOLANT LEAKAGE INTO ENGINE OIL. THIS IS CAUSING ACCELERATED WEAR ... |
| Jan 1, 2005 | ENGINE AND ENGINE COOLING | (1) EVENTS LEADING UP TO THE FAILURE: NONE--I'VE BEEN EXPERIENCING A COOLANT LEAK SINCE DAY ONE. O... |
| Aug 8, 2003 | ENGINE AND ENGINE COOLING | DT: THERE WAS A CAM ADJUSTER FROM WHERE THE OIL LEAK WAS COMING FROM. NOTICED THIS ON AUGUST 8, 2... |
| Feb 15, 2001 | ENGINE AND ENGINE COOLING | CHRONIC PROBLEM WITH BLOWN TURBOS. AUDI HAS MADE ENGINEERING CHANGES TO THE TUBROS WITHOUT NOTIFIYI... |