Audi A8 2003 Brake system Workshop Manual (Edition 03.2013)
Repair Group: 00 – Technical data, 45 – Anti-lock brake system, 46 – Brakes – mechanism, 47 – Brakes – hydraulics
Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road-worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed.
CONTENTS
- 00 – Technical data
- Brakes, wear limits
- Assessment of ceramic brake discs
- Visible features of ceramic brake discs
- Superficial cracks in cooling channel lands
- Cracks in area of bolted connection on ceramic brake discs
- Edge fractures
- Chipping on ceramic brake discs
- Cracks extending into cooling channels
- Assessing degree of wear on ceramic brake discs
- Wear assessment by checking thickness of brake disc
- Wear assessment according to wear indicators
- Wear assessment by weighing brake disc
- Wear assessment by weighing brake disc
- Brake test
- General notes
- Vehicles with front-wheel drive
- Vehicles with four-wheel drive
- EPB (Electronic Parking Brake) on brake dynamometer
- Brake fluid
- General notes
- 45 – Anti-lock brake system
- General information on the anti-lock brake system
- Notes for repair work on the ABS
- Connecting VAS 505x and selecting functions
- Electronic stabilisation program Bosch 5.7
- Overview of components – ESP Bosch 5.7
- Hydraulic unit and brake lines
- Removing and installing hydraulic control unit
- Renewing ABS control unit J104
- Removing and installing parts of ABS system on front and rear axles
- Removing and installing parts of ABS system on front axle
- Removing and installing parts of ABS system on rear axle
- Removing and installing parts of ESP system
- Removing and installing brake light switch
- Removing and installing lateral acceleration sender G200 and yaw rate sender G202
- Removing and installing steering angle sender G85
- Removing and installing parking brake switch
- Removing and installing brake pressure sender G201
- General information on the anti-lock brake system
- 46 – Brakes – mechanism
- Front brakes (PR 1LG)
- Servicing front brakes
- Removing and installing brake pads
- Renewing brake caliper
- Front brakes (PR 1LJ, 1LL, 1LM, 1LK)
- Servicing front brakes
- Removing and installing brake pads
- Renewing brake caliper
- Ceramic front brakes (PR 1LW)
- Servicing ceramic brakes
- Detaching and attaching damper spring
- Removing and installing brake pads (ceramic brakes)
- Removing and installing brake caliper (ceramic brakes)
- Detaching and attaching front brake disc (ceramic brakes)
- Renewing front brake disc (ceramic brakes)
- Rear brakes, electronic parking brake and handbrake (EPB)
- Servicing rear brakes – all models including ceramic brakes
- Removing and installing brake pads (rear brakes)
- Brake pedal (LHD) – exploded view
- Separating brake pedal from brake servo
- Removing and installing brake pedal (LHD vehicles)
- Removing and installing mounting bracket
- Overview of components: electronic parking brake and handbrake (EPB)
- Removing and installing control unit for electronic parking brake and handbrake
- Removing and installing actuator motor for electronic parking brake and handbrake
- Front brakes (PR 1LG)
- 47 – Brakes – hydraulics
- Pressurised leak test
- High-pressure and low-pressure tests
- Brake calipers FNR G60
- Servicing brake calipers
- Removing and installing piston for front brake caliper
- Brake calipers 2FNR 42 AL
- Servicing brake calipers
- Removing and installing pistons for front brake caliper
- Brembo brake calipers (18″)
- Servicing brake calipers
- Removing and installing pistons for front brake caliper
- Brake caliper (ceramic brakes)
- Servicing brake caliper (ceramic brakes)
- Removing and installing pistons for front brake caliper
- Rear brake calipers for electronic parking brake and handbrake (EPB)
- Servicing brake calipers
- Removing and installing piston for rear brake caliper
- Bleeding brake system
- Bleeding sequence for vehicles with Electronic Stabilisation Program (ESP)
- Changing brake fluid
- Brake servo/ brake master cylinder – exploded view
- Removing and installing brake master cylinder
- Removing and installing brake servo
- Vacuum pumps for brake servo
- Vacuum pump – exploded view (3.0 ltr TDI)
- Removing and installing vacuum pump (3.0 ltr. TDI)
- Vacuum pump – exploded view (4.0 ltr TDI)
- Removing and installing vacuum pump (4.0 ltr. TDI)
- Vacuum pump – exploded view (4.2 ltr TDI)
- Removing and installing vacuum pump (4.2 ltr. TDI)
- Removing and installing vacuum pump (2.8 ltr. and 3.2 ltr. petrol engine)
- Electric vacuum pump for brakes V192
- Vacuum pump for brakes V192 – exploded view
- Removing and installing vacuum pump for brakes V192
- Checking vacuum pump for brakes V192
- Removing and installing brake servo pressure sensor G294
- Checking non-return valve
- Brake hoses and brake lines
- Routing of brake hoses/lines
- Tightening torques
- Repairing brake lines
- Flanging tool – exploded view
- Instructions for use
- Pressurised leak test
Language: English
Format: PDF
Pages: 148
Audi A8 2003 Brake system Workshop Manual (Edition 03.2013) PDF free online