34 21 745 Removing and installing or replacing left or right rear brake caliper

Remove rear wheel. Refer to 36 10 300 REMOVING OR INSTALLING FRONT OR REAR WHEEL .

IMPORTANT: After completing tasks, bleed brake system. Refer to 34 00 047 BLEEDING BRAKE SYSTEM WITH ABS or 34 00 048 BLEEDING BRAKE SYSTEM WITH ABS/ASC+T . Apply pedal prop and depress brake pedal slightly. This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Applying Pedal Prop

Loosen screws (1).

Fig 2: Disconnecting Brake Hose

Installation:

Tightening torque, refer to 34 21 3AZ REAR BRAKE .

Disconnect brake hose (2).

Right side:

Disconnect plug connection for brake lining sensor. Pull off fist caliper towards rear of vehicle.

Installation:

Install brake hose without torsional stress.

First tighten the brake hose on the brake cover, then tighten connection on brake line.

Tightening torque, refer to 34 32 1AZ BRAKE LINES .

IMPORTANT: Check routing and securing of brake-pad-wear indicator cable. Check for correct securing with tab of dust cap. It is absolutely essential to prevent the cable on the rim from being scuffed.