Four problems related to service brakes have been reported for the 1999 Audi A4. The most recently reported issues are listed below.
Abs kicks in during low speed braking for no abs-related reason.
The contact owns a 1999 Audi A4. The vehicle was repaired according to NHTSA campaign id number 99v131001 (service brakes, hydraulic:power assist:vacuum:hoses, lines/piping, and fittings). After the repair, the contact noticed that insufficient vacuum is provided to the brake booster in cold weather conditions. In addition, he noticed that the abs and brake warning indicators were illuminated on the instrument panel. The dealer stated that he was only entitled to one repair according to the recall law. The manufacturer did not assist. The failure mileage was 110,000 and current mileage was 113,000.
Premature abs (antilock braking system) module failure.
When the brake was applied, the vehicle experienced extended stopping distance.