audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing piston for front brake caliper > < Brake caliper FN2
Brake System
Brake caliper FN2
Servicing brake caliper

Notes:

  • ◆ Install complete repair set when servicing.
  • ◆ New brake calipers are filled with brake fluid and are pre-bled.
  • ◆ Apply thin coat of assembly paste G 052 150 A2 to brake cylinder, piston and sealing ring.
  • Brake carrier
    • ◆ Bolt to brake caliper housing
  • Ribbed bolt, 190 Nm
    • ◆ Clean ribbing if reusing
  • Guide pin, 25 Nm
 
A47-0109
  • Caps
    • ◆ Insert into bearing bush
  • Bush
    • ◆ Insert into brake caliper housing
  • Brake caliper housing
  • Vent valve
    • ◆ Apply thin coat of assembly paste G 052 150 A2 to thread before screwing in
  • Protective cap
    • ◆ Attach to bleed valve
  • Retaining spring
    • ◆ Insert both ends into the holes in the brake caliper housing

Notes:

After inserting the retaining spring into the two holes, press it under the brake carrier. If incorrectly installed, it is not possible to adjust the wear of the outer pad, and the pedal travel will be increased as a result.

 
A47-0109
  • Sealing ring
  • Piston
    • ◆ Apply thin coat of assembly paste G 052 150 A2 to piston before inserting

=> Brake System; Repair group 00; Technical data

  • Protective cap
    • ◆ Do not damage when inserting piston

Removing and installing piston for front brake caliper > < Brake caliper FN2