audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Adjusting handbrake > < Servicing rear wheel brake (disc brake)
Brake System
Servicing rear wheel brake (disc brake)
Removing and installing brake pads
 
W00-0017

Special tools and workshop equipment required

  • ◆ 3272 Resetting and removing tool

 
W00-0427
  • ◆ V.A.G 1331 Torque wrench
 
N46-0176

Note:

Mark brake pads when removing if they are to be reused. Reinstall in their original position to prevent uneven braking.

Removing

  • ‒ Remove wheels.
  • ‒ → Detach c lip -1-.
  • ‒ Push the handbrake lever -2- in direction of arrow and detach handbrake cable -3-.

 
N46-0184
  • ‒ → Remove bolts from brake caliper housing, counterholding on guide pins.
  • ‒ Detach brake calliper housing and secure with wire such that the weight of the brake calliper does not stress or damage the brake hose.
 
N46-0166
  • ‒ → Remove brake pads and pad retaining springs -arrows-.
  • ‒ Clean brake caliper housing, in particular the bonding surface (at piston and brake caliper). It must be free of adhesive residues and grease.

Only use methylated spirits to clean the brake caliper housing.

Installing

Before pressing the piston back, draw off brake fluid from the reservoir. For extracting use a bleeder bottle or a plastic bottle which is only used for brake fluid. Brake fluid is poisonous and must on no account be siphoned by mouth through a hose.

 
N46-0171
  • ‒ → Screw piston by turning knurled wheel of special tool 3272 clockwise, do not damage protective cap.
  • ◆ Fit special tool 3272 so that the collar (arrow) of the tool is seated against the brake caliper.
  • ◆ If piston is difficult to move, use a 13 mm AF open jaw spanner on the flats (arrow A) provided for this purpose.
  • ◆ If the piston is pushed back with a piston resetting tool the automatic adjustment in the brake caliper will be destroyed.

 
N46-0166
  • ‒ → Insert the brake pad retaining springs -arrows- and pads into the brake carrier.
  • ‒ Pull protective foil off outer brake pad backplate.
  • ‒ Secure brake caliper housing with new self-locking bolts.

Note:

  • ◆ The repair kit includes four self-locking hexagon bolts which must be installed in all cases.
 
N46-0176
  • ‒ → Push the handbrake lever -2- in direction of arrow and attach handbrake cable -3-.
  • ‒ Install clip -1-.
  • ‒ Adjusting handbrake =>Page46-57.
  • ‒ Fit wheels.

Notes:

  • ◆ Each time after replacing the brake pads, depress the brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in their normal operating position.
  • ◆ After changing brake pads check brake fluid level.

Adjusting handbrake > < Servicing rear wheel brake (disc brake)