34 21 745 Replacing rear left or right brake caliper
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION .
- Remove the WHEEL .
Removal:
Press brake pedal down to floor and secure with pedal support.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.
Attention!
Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.
Disconnect brake hose from brake line (1).
Disengage brake hose from brackets (1).
Detach brake hose (2) from brake caliper.
Lift out retaining spring (1).
Disconnect plug connection (1).
Detach cable from bracket (2).
Remove cover plug (1).
Release guide screws.
Pull off brake caliper (2).
Installation:
- Clean guide screws only; do not grease.
- Check thread.
- Replace all guide screws which are not in perfect condition.
Mount brake caliper (2).
Insert guide bolts and tighten.
Tightening torque, refer to: 34 21 3AZ .
Install cover plug (1).
Attach cable to bracket (2).
Position plug connection (1) and lock.
Install the retaining spring (1)
Attention!
Ensure the retaining spring is fits securely.
Attention!
Make sure that the brake hose is routed correctly!
Mount brake hose (2) on brake caliper.
Attention!
First tighten brake hose on brake caliper.
Never twist brake hose when installing it and avoid all contact with parts attached rigidly to the body.
Tighten down brake hose (2).
Tightening torque, refer to: 34 32 3AZ .
Insert brake hose in brackets (1).
Attention!
Grip brake hose at square head (2) so that connecting piece cannot rotate in retaining bracket.
Mount brake hose on brake line (1) and tighten down.
Tightening torque, refer to: 34 32 1AZ .
Remove pedal support.
Required follow-up work:
- Bleed the BRAKE SYSTEM .
- Fit the WHEEL .