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BrakesPart report

2001 Audi S4 Brakes Problems

Complaints
3about this part
Share
3%of 87 total for the year
Median mileage
53,550miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the brakes of the 2001 Audi S4, 3% of the 87 complaints for this model year. Where a mileage was given, the median is 53,550 miles. 2 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Brake booster check valve fails causing vac hose feeding to booster unit to become totally separated from valve. Result is no brake assist. This happened to me in my 2001 Audi S4!!!! At highway speed!”

NHTSA complaint #10199724, filed 2007-08, 82,100 miles

“1) car is 2001 Audi S4 avant. Car was running for approximately 15 minutes, and was idling at top of driveway for about 5 minutes with parking brake engaged while other car in front was being moved. Upon release of parking brake regular brakes failed, resulting in car rolling downhill, about 30 feet, from a standing start and colliding with a parked car. Brake pedal showed no resistance other than mild spring push-back, and was pushed down to floor. A brake pedal was pumped with no result. …”

NHTSA complaint #10148597, filed 2006-01, 25,000 miles

“My wife returned from buying presents and stopped the vehicle in the driveway. She engaged the handbrake and waited one minute before turning off the engine to let the turbos cool down. She then proceeded to retrieve packages from the trunk and entered the residence. After one hour and fourty five minutes, an officer contacted us and asked if we knew where was the vehicle. We stated that it was in the driveway. He told us to please follow him. We went outside and saw that the vehicle had backed out of the driveway and damaged the retaining wall of our vehicle. …”

NHTSA complaint #750319, filed 2001-08

Related service bulletins

Brakes: other model years

YearComplaintsShare of year
2018114%
201416%
201229%
201023%
200718%
200512%
200413%
2002941%
200133%
20004129%
1994114%
1993213%

Other parts of the 2001 Audi S4

Electrical system
47 complaints
Engine cooling
11 complaints
Tires
10 complaints
Seats
6 complaints
Air bags
3 complaints
Exterior lighting
3 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Back-over prevention (rear camera)
1 complaints
Equipment
1 complaints
Fuel system
1 complaints
Seat belts
1 complaints
Body and structure
1 complaints

← All problems reported for the 2001 Audi S4

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology