A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
Vacuum Brake Booster: Service and Repair
With 23.81 mm (0.937 Inch) Diameter Piston
Special tools and equipment
-
Sealing plugs from repair kit, Part No. 1 HO 698 31 1A
-
T10006 Brake pedal release tool
CAUTION: Part numbers are listed here for reference only. Always check with your Parts supplier for the test information.
Removing
-
Remove driver's side storage compartment.
-
Attach bleeder hose and bleeder bottle to left front brake caliper bleeder screw and open bleeder screw.
-
Operate brake pedal to pump out as much brake fluid as possible.
-
Close left-front bleeder screw.
-
Cover engine compartment to catch any spilled brake fluid.
CAUTION: Brake fluid must not be allowed to come Into contact with paint work because of its caustic effect.
-
On vehicles with manual transmissions, disconnect clutch master cylinder supply hose -1- and seal with plug.
-
Disconnect harness connector from brake fluid level warning switch -2-.
-
Disconnect brake lines -1- on brake master cylinder and seal brake lines and threaded holes using plugs from repair kit.
-
Remove T45 Torx bolts -2- from brake servo.
-
Disconnect vacuum hose from brake servo.
Releasing brake pedal