G545069P10

PINPOINT TEST G545069p10: EXCESSIVE/ERRATIC BRAKE PEDAL TRAVEL
G545069t34: TEST ON ROUGH ROAD
1. Road test the vehicle on rough road conditions.
2. Apply the brakes slowly.

^ Is the brake pedal effort and brake pedal travel normal?

-> Yes

Vehicle is OK.

-> No

GO to Pinpoint Test G545069t35.

G545069t35: CHECK BRAKE FLUID LEVEL
1. Check the brake master cylinder reservoir fluid level.

^ Is the fluid level OK?

-> Yes

GO to Pinpoint Test G545069t36.

-> No

CHECK brake master cylinder reservoir sealing points. ADD brake fluid and BLEED the brake system. Brake System Bleeding TEST the system for normal operation. REPEAT road test if necessary.

G545069t36: CHECK BRAKE PEDAL RESERVE
1. Run engine at idle speed.
2. Apply the brake pedal lightly three or four times.
3. Wait 15 seconds for the vacuum to replenish.
4. Push down on the brake pedal until it stops moving downward or an increased resistance to the brake pedal travel occurs.
5. Hold the brake pedal in the applied position while increasing the engine speed to 2000 revs/min.
6. Release the accelerator pedal.

^ Does the brake pedal move downward as the engine speed returns to idle?

-> Yes

GO to Pinpoint Test G545069t37.

-> No

CHECK the vacuum to the brake booster.

G545069t37: CHECK THE FRONT WHEEL BEARING ASSEMBLY

1. Check the front wheel bearing assembly.

^ Are the front wheel bearings loose?

-> Yes

INSTALL a new front wheel bearing if damaged. Wheel Bearing and Wheel Hub TEST the system for normal operation.

-> No

CHECK the front brake discs for thickness variances.