47391900 Removing and installing front brake calliper

WM 473919 Removing and installing front brake caliper

Preliminary work

1. Raise the vehicle -> 40 Lifting the vehicle - section on "Preliminary work".
2. Remove the wheel -> 440519 Removing and installing wheel Removal and Replacement.

Removing front brake caliper

Removing 18-inch plus brake caliper (Turbo, model year 2008)





18-inch plus brake caliper

CAUTION

Brake pistons stiff or stuck

- Increased foot force.
- Brakes pulling to one side.
- Brakes squealing.

-> Check that brake-piston return force is applied smoothly.
-> Visually inspect the brake pistons for corrosion.
-> If the brake pistons are corroded, the brake calipers on each axle need to be replaced.

Information

- To gain better access for removal of the brake caliper, turn the steering fully either to the right or left.

1. Carefully press the brake pads back using water pump pliers.
2. Press the brake hose out of the fastening clamps on the wheel carrier and disconnect it from the brake caliper. Collect brake fluid in a suitable container. Close off the line with suitable stoppers.
3. Unclip the brake pad wear indicator wire.

Information

- Do not detach the brake caliper from the adapter.

- Never use an impact bolter to loosen and tighten the brake caliper on the wheel carrier.

4. Remove brake caliper. -arrows-





18-inch plus brake caliper connection

Installing front brake caliper

Information

- Replace screws and lock nuts.

- Never use an impact bolter to loosen and tighten the brake caliper on the wheel carrier.

- Observe correct tightening torques -> 40 Tightening torques for front axle - section on "Technical values".

The brake caliper is installed in reverse order.
1. Fit the brake caliper.
2. Fit the brake line to the brake caliper.
3. Clip in the wear indicator connector.
4. Position disc brake pads by operating the brake several times.

Subsequent work

1. Bleed the brake system -> 470107 Bleeding the brake system - section on "Bleeding" Service and Repair.
2. Mount the wheel -> 440519 Removing and installing wheel Removal and Replacement.