FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Symptom Related Diagnostic Procedures

POSSIBLE CAUSES FOR THESE SYMPTOMS:

Hard Pedal Or No Assist At All
- Air cleaner element clogged.
- Control valve faulty.
- Defective diaphragm.
- Worn or distorted reaction plate or levers.
- Cracked or broken power piston or levers.
- Internal or external leaks.

Grabbing Brakes
- Control valve defective or sticking.
- Bind in linkage.
- Reaction diaphragm leaking.
- Worn or distorted levers or plate.

Slow Or No Release
- Pushrod adjustment improper.
- Linkage binding.
- Return spring defective.