BrakesERVO. Power Brake Booster.
Electronic Stability Control. From Chassis/VIN 8N-2-014 301. Power Brake Booster.

Power Brake Booster

Fits TT

Beetle; w/Stability Control. Jetta; Sedan; w/Stability Control; To Vin 9M2073200. Jetta; Wagon; w/Stability Control; To 11/01. TT; From 11/01. W/stability cntrl.
Brake Power Booster Unit - Repair or Replace
If you have a brake pedal that is suddenly stiff or you hear a whistling noise when you step on your brakes—especially when you're stopped—the culprit may be a failed brake booster. Our technicians can easily diagnose a possible brake booster failure in your Audi .