Brake calipers, servicing
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Install complete repair kit when servicing.
- New brake calipers are filled with brake fluid and are pre-bled.
- Apply thin coat of lithium grease G 052 150 A2 to brake cylinder, piston and seal.
1 - Dust cap
- Push onto bleeder valve
2 - Bleeder valve
- Apply thin coat of lithium grease G 052 150 A2 before screwing in
3 - Brake caliper housing
4 - Self-locking bolts, 30 Nm
- Always replace
- Counter-hold on guide pin when loosening and tightening
5 - Seal
- Removing and installing → Front caliper piston, removing and installing
6 - Piston
- Removing and installing → Front caliper piston, removing and installing
- Apply a thin coat of lithium grease G 052 150 A2 to piston
7 - Protective seal
- Do not damage when inserting piston
8 - Brake carrier with guide pins and protective caps
- Replacement carriers are supplied assembled and with sufficient grease on guide pins