audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing brake pads > < Front brake HP-2 double-piston brake / aluminium
Brake System
Front brake HP-2 double-piston brake / aluminium
Servicing front brakes

Notes:

  • ◆ Always install the complete repair kit.
  • ◆ After replacing brake pads, depress brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in the normal operating position.
  • ◆ To draw off brake fluid from the reservoir, use a bleeder bottle which is used only for brake fluid. Brake fluid is poisonous and must on no account be siphoned by mouth through a hose.
 
A46-0117
  • ◆ The tightening torque of the brake pipes is 15 Nm.
  • Brake disc

=> Brake System; Repair group 00; Technical data

    • ◆ Always replace all components on an axle
    • ◆ Ensure adequate wear reserve
    • ◆ Remove brake caliper prior to removing
 
A46-0117
  • Brake caliper

=> Brake System; Repair group 00; Technical data

    • ◆ If assembly work is required, do not leave caliper hanging from brake hose but secure it to bodywork with wire
    • ◆ With the exception of "Replacing brake pads", no further repairs may be performed on the brake calipers.
    • ◆ Hose must be attached without twisting
 
A46-0117
  • Holder for wear indicator cable
    • ◆ Insert cable for brake pad wear indicator into cable holder
  • Ribbed washer
  • Ribbed bolt, 190 Nm
    • ◆ Clean ribbing if reusing
  • Tension spring
    • ◆ Swivel aside.
    • ◆ Disassembly not possible
  • Retaining spring
 
A46-0117
  • Connector
    • ◆ Only on models with wear indicator
  • Brake hose
    • ◆ Do not unscrew to replace brake pads
    • ◆ Hose must be attached without twisting
  • Hexagon bolt, 25 Nm
  • Bracket
    • ◆ Bolt to brake caliper housing
    • ◆ Insert connector for brake pad wear indicator
 
A46-0117
  • Brake pipe, 15 Nm
  • Brake pads
    • ◆ Always replace all components on an axle
    • ◆ Different designs on left and right
    • ◆ Removing and installing
      => Page 46-51
    • ◆ With wear indicator
    • ‒ Once the wear limit is reached (limit: 3 mm), warning light in dash panel insert comes on.
    • ◆ The outer brake pads are provided with an adhesive sheet on the backing plate of the pad. Remove the protective sheet before inserting pads.

Removing and installing brake pads > < Front brake HP-2 double-piston brake / aluminium