Overview - Front Brake Caliper, FN3 And 1LT Brake Caliper

NOTE:

Install complete repair kit 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 cylinders, pistons and seals.

Fig 1: Overview Of Front Brake Caliper (FN3 And 1LT)

Courtesy of AUDI OF AMERICA, LLC

1 -
Caps
- Remove the guide pins to remove.
- Insert the guide pins after installation.
2 -
Guide Pin
- 30 Nm
- Replacing. Refer to BEARING BUSHING AND GUIDE PIN, REPLACING, 1LT .
3 -
Bleeder Valve
- 13 Nm
- Apply a thin coat of Assembly Paste G 052 150 A2 to the threads before screwing in.
4 -
Protective Cap
- Install on the bleeder valve
5 -
Brake Caliper Housing
6 -
Spring
- Insert with both ends in holes of brake caliper housing
  NOTE:
  After installing in both holes, the retaining spring must be pressed under the brake carrier. If improperly installed, the wear of the outer brake pad cannot be adjusted, thereby increasing brake pedal travel.
7 -
Bearing Bushing
- Insert in brake caliper housing
- Replacing. Refer to BEARING BUSHING AND GUIDE PIN, REPLACING, 1LT .
8 -
Brake Carrier
- Bolt to brake caliper housing
9 -
Seal
10 -
Piston
- Apply thin coat of Assembly Paste G 052 150 A2 to piston before inserting
- Diameter 57 mm.
11 -
Protective Cap
- Do not damage the piston when inserting it.