BMW X3 Service & Repair Manual: Replacing vacuum hose for brake booster (N63)
IMPORTANT: Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo. This makes it easier to remove the vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced together as a single unit.
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION.
- Remove partition wall, units compartment
Pull off partition wall seal upper part (1) in direction of arrow.
Remove non-return valve (2) from brake servo.
Installation note: Check gasket for non-return valve and replace if necessary.
Unclip vacuum line (1) from line clip (2).
Unlock snap fastener (3) and detach vacuum line.
Removing and installing or replacing brake booster
Necessary preliminary work:
Read and comply with GENERAL INFORMATION.
Remove left footwell trim .
Remove BRAKE MASTER CYLINDER.
Remove WIPE ...
Replacing vacuum hose for brake booster (diesel fuel)
Necessary preliminary tasks:
Read and comply with GENERAL INFORMATION.
Remove left TRAILING LINK .
REMOVE left partition wall for units compar ...
Other materials:
BMW X3 Service & Repair Manual > Brake testing and bleeding: Checking brakes on test stand
Necessary preliminary work:
Check tires for damage.
Check tire treads.
Checking tire inflation pressure.
IMPORTANT:
Make sure the Hill Descent Control (HDC) is not active before driving on to the brake test rig!
The Hill Descent Control (HDC) indicator light must not be on!
Th ...
BMW X3 Owners Manual
BMW X3 Service & Repair Manual
