E 450 V10-6.8L (2008)
Vacuum Brake Booster: Service and Repair
Brake Booster - Vacuum
Removal and Installation
1. Remove the brake master cylinder.
2. Disconnect the brake booster push rod in the following sequence.
1
Remove the brake booster push rod cotter pin cover.
2
Remove the brake booster push rod cotter pin.
3
Remove the stoplamp switch.
4
Remove the brake booster push rod bushing.
5
Disconnect the brake booster push rod from the brake pedal pin.
3. Remove the 4 brake booster nuts and the brake booster.
^
To install, tighten to 25 Nm (18 lb-ft).
4. To install, reverse the removal procedure.
^
Apply brakes several times to verify correct brake operation.
