BMW X3 Service & Repair Manual: Replacing vacuum hose for brake booster (petrol)

BMW X3 Service & Repair Manual / Brakes / Brake booster / Replacing vacuum hose for brake booster (petrol)

Necessary preliminary tasks:

  • Read and comply with GENERAL INFORMATION.
  • Remove left TRAILING LINK .
  • REMOVE left partition wall for units compartment.

IMPORTANT: Before beginning repair work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo.

Pull non-return valve (1) in direction of arrow out of brake booster.

Installation note: Check seal in brake booster and replace if necessary.

Brakes

Disconnect snap fastener (1) and feed out vacuum line (2).

Installation note: Make sure that snap fastener (1) is correctly engaged.

Brakes

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