Excessive Pedal Effort
POSSIBLE CAUSE1. Malfunctioning vacuum booster.
Correction - Check vacuum booster operation and repair, if necessary.
2. Partial system failure.
Correction - Check front and rear brake system for failure and repair. Also, check brake warning light. If a failed system is found, the light should indicate a failure.
3. Excessively worn lining.
Correction - Check and replace linings in sets.
4. Piston in caliper stuck or sluggish.
Correction - Remove caliper and rebuild.
5. Fading brakes due to incorrect lining.
Correction - Remove and replace with original equipment lining or equivalent.
6. Vacuum leak to vacuum booster.
Correction - Check for ruptured or loose hose.
7. Check direction of vacuum hose.
Correction - Correct vacuum hose direction.
8. Grease on the brake pads.
Correction - Replace or clean.