Component Test- Brake Master Cylinder - Compensator Port
- 1.
Inspect the master cylinder.
- 3.
Apply and release the brakes.
- 4.
With the brakes released, attempt to rotate each wheel and check for any brake drag.
- If an excessive amount of brake drag exists at multiple wheels, continue to Step 5.
- If an excessive amount of brake drag exists at only one wheel, it indicates a possible seized brake caliper, brake wheel cylinder or parking brake component. Repair or install new components as necessary.
- 5.
Check the brake stoplamp switch and the brake pedal free play to verify the brake pedal is not partially applied.
- 6.
Loosen the brake master cylinder nuts and position the brake master cylinder away from the brake booster.
- 7.
With the brakes released, attempt to rotate each wheel and check for any brake drag.
- If the brake drag is no longer present, install a new brake booster. Refer to: Brake Booster
.
- If the brake drag is still present, install a new master cylinder. Refer to: Brake Master Cylinder
.