BMW X3 Service & Repair Manual: Removing and installing/replacing vent valve for brake caliper

BMW X3 Service & Repair Manual / Brakes / Brake testing and bleeding / Removing and installing/replacing vent valve for brake caliper

Necessary preliminary work:

  • Raise vehicle.

Removal:

Press brake pedal down to floor and secure with pedal support.

NOTE: The pedal support may only be released when the brake lines are reconnected.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Brakes

Remove dust cap (1).

Brakes

Remove vent valve (1).

IMPORTANT: Collect escaping brake fluid in a suitable collecting vessel.

Brakes

Installation:

IMPORTANT: The bore hole must be free of contamination!

Install vent valve (1).

Brakes

Mount dust cap (1).

Brakes

Remove pedal support.

Brakes

Required follow-up work:

  • Bleed brake system.
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