NHTSA recall 93V007000
Service brakes, hydraulic › Power assist › Vacuum
Audi 100
The defect
The blades in the brake vacuum booster pump can wear prematurely, causing reduced brake assist pressure when the brake pedal IS applied.
The risk
Reduced brake assist could result in increased stoppingdistance and a vehicle accident.
The remedy
Replace the brake vacuum booster pump with a newly developed brake vacuum booster valve assembly.