This is the FORD 1996 F-150, F-250, F-350, F-Super Duty Chassis Cab, Motorhome Chassis and Bronco Workshop Manual; partial, on-line for FREESymptom Chart, Brake System Diagnosis
Feels Spongy When Fully Applied
Rear brakes out of adjustment.
ADJUST rear brakes. REFER to Section 06-02.
Front wheel bearing out of adjustment.
ADJUST front wheel bearings. REFER to Section 04-01A or Section 05-03C.
Brake master cylinder or power brake booster dash unit mounting loose.
TIGHTEN nuts and bolts to specification. REFER to Section 06-06.
Front or rear disc brake caliper attachment loose.
REPLACE or TIGHTEN as required. REFER to Section 06-03 or Section 06-04.
Worn or damaged self-adjusters.
REMOVE brake drum and CHECK rear brake shoe and lining for proper adjustment. REPLACE brake shoe adjusting lever. REFER to Section 06-02.
Brake pedal or support improperly mounted.
REPAIR or REPLACE as necessary. REFER to Section 06-06.
Worn or damaged brake linings.
REPLACE brake shoe and lining. REFER to Section 06-02, Section 06-03 or Section 06-04.
Brake drum out-of-round or front or rear disc brake rotors with excessive runout.
REFINISH or REPLACE if wear exceeds limits. REFER to Section 06-02, Section 06-03 or Section 06-04.
Worn or damaged four wheel ABS hydraulic control unit (Bronco only).
REFER to Section 06-09B, Symptom Diagnosis.
Worn or damaged RABS valve accumulator (F-Series only).
REFER to Section 06-09A, Symptom Diagnosis.
Brake tubing improperly positioned.
CHECK brake tubing for misposition near heat source. Fluid can boil and result in spongy pedal response.
Low brake fluid level.
FILL as required.
Clogged brake master cylinder filler cap hole.
REPAIR or REPLACE brake master cylinder filler cap.
Air in system.
GO to Pinpoint Test F for spongy brake pedal.
GO to Pinpoint Test H for excessive brake pedal travel