New Beetle Convertible L5-2.5L (BPS) (2006)
Brake Master Cylinder: Service and Repair
Brake Booster and Master Cylinder Assembly Overview
Brake Booster and Master Cylinder Assembly Overview
With ABS/EDL/ASR/ESP
‹› Complete brake master cylinder and brake booster can be replaced separately.
1
Brake booster, left-hand drive vehicles
‹› On gasoline engines vacuum is supplied from intake manifold.
‹› On vehicles with gasoline engine and automatic transmission, there is also the brake system vacuum pump (V192) installed.
‹› On diesel engines, a vacuum pump is installed for vacuum.
Function test
‹› With engine switched off, depress brake pedal firmly several times (to deplete vacuum).
‹› Depress and hold brake pedal with average foot pressure and start engine. If brake booster is working properly, pedal will be felt to give
noticeably under foot (booster assist becomes effective).
‹› If malfunctioning: replace as complete unit.
‹› Check valve (in vacuum hose) => [ check valve. ] .
Function test => [ check valve. ] .