A8L V8-4.2L (BFM) (2004)
5 - Cap
6 - Brake Fluid Reservoir
7 - Vacuum Hose
‹› Insert into brake booster.
8 - Sealing Plugs
‹› Connection for vacuum hose.
9 - Tandem Brake Booster
‹› On gasoline engines, vacuum is supplied from intake manifold.
‹› Vehicles with a V6 gasoline engine and automatic transmission are equipped with a brake vacuum pump.
‹› Functional check:
‹› With engine switched off, depress brake pedal firmly several times (to deplete vacuum in tool).
‹› 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 assistance becomes effective).
‹› If malfunctioning: Replace as complete unit.
‹› With adhesive seal.
‹› Removing and installing, refer to => [ Brake Booster ] See: Power Brake Assist/Vacuum Brake Booster/Service and Repair/Brake Booster.
10 - Seal
‹› Replace
11 - Brake Line
‹› Torque specification: 24 Nm
‹› Master brake cylinder/primary piston circuit to hydraulic control unit.
12 - Bolt
‹› Torque specification: 10 Nm
13 - Brake Line
‹› Torque specification: 24 Nm
‹› Master brake cylinder/secondary piston circuit to hydraulic unit.
14 - Mounting Bracket for Pedal Assembly
‹› Removing and installing, refer to => [ Mounting Bracket ] See: Disc Brake System/Service and Repair/Mounting Bracket.
15 - Nut
‹› Torque specification: 25 Nm
16 - Bolt
‹› Torque specification: 25 Nm
Adjusting Ball Head