E 450 V8-5.4L (2009)
Brake Master Cylinder: Testing and Inspection
Brake Master Cylinder - Bypass Condition
Component Tests
Brake Master Cylinder - Bypass Condition
1. Disconnect the brake tubes from the master cylinder.
2. Plug the outlet ports of the master cylinder.
3. Apply the brakes. If brake pedal height cannot be maintained, the brake master cylinder has an internal leak and a new brake master cylinder must
be installed.
