Rear Brake Caliper — Removal and Installation (BMW 7 Series E32)

Note: If the brake caliper is removed only to remove the brake disc, do not unscrew the brake hose, otherwise you will need to bleed the brake system after installation. The caliper must be suspended on a wire so that the brake hose is not twisted or stretched.

Removal

Mark the position of the rear wheels on the hubs so that you can later install the balanced wheels in their original positions. Loosen the wheel bolts with the car on the ground. Raise and support the car from behind and remove the rear wheels.

Lightly press the brake pedal and hold it in this position. To do this, insert a spacer between the driver's seat and the brake pedal. If necessary, move the seat forward or backward. This will prevent brake fluid from leaking out of the reservoir after disconnecting the brake pipes and air from entering the hydraulic system.

Loosen the union nut of the brake line at the brake hose connection while holding the brake hose by the hexagon.

Note: This may cause some brake fluid to spill out, which should be collected in a suitable container.

On the right brake caliper, disconnect the brake pad wear sensor wire. Be sure to pull the plug, not the wire.

Unscrew the caliper mounting bolts using a 17 mm open-end wrench and remove the caliper from the brake disc together with the installed brake pads.

Installation

Install the caliper together with the pads on the brake disc.

Tighten the caliper mounting bolts to 65 Nm.

Attach the brake pad wear sensor plug to the right side of the vehicle.

Install the brake hose on the bracket and secure the brake pipe to it using the union nut. Make sure that the hose does not twist. Insert the hose into the holder.



Bleed the brakes.

Install the rear wheels according to the marks made earlier. Do not lubricate the wheel bolts. Lower the car and tighten the wheel nuts crosswise to 100 Nm.

Note: With the vehicle stationary, press the brake pedal hard several times until you feel strong resistance. This will cause the brake pads to lie against the brake disc and take the appropriate working position.

Check the brake fluid level in the reservoir and, if necessary, top it up to the MAX mark.

Conduct a security check.

The original text is available on the website: bmwman.ru