Pinpoint Test C: The Brakes Pull Or Drift

1. Road test the vehicle and apply the brake pedal.

   Does the vehicle pull or drift?

   • Yes:  GO to  C2.
   • No:  Vehicle is OK.

1. Check for excessive tire wear or incorrect pressures.

   Are the tires at the correct pressure and in good condition?

   • Yes:  GO to  C3.
   • No:  ADJUST the tire pressures or INSTALL new tires if excessively worn. TEST the system for normal operation.

1. Check the disc brake caliper pistons and pins for binding, leaking or sticking.

Do the disc brake caliper pistons and pins bind, leak or stick?

• Yes:  RECTIFY sticking pins and INSTALL new brake calipers as necessary.

  Refer to: Brakes Caliper - Vehicles With: Standard Brakes (Front), and/or Brakes Caliper - Vehicles With: Standard Brakes (Rear), (Removal and Installation).

  TEST the system for normal operation.

• No:  GO to  C4.

1. Check the brake discs for excessive damage, thickness variation or runout.

   Refer to: Brake Disc Runout Check  (General Procedures).

   Does excessive damage or runout exist?

• Yes  : INSTALL new brake discs and brake pads as necessary. TEST the system for normal operation.
• No  : GO to  C5.

1. Check the front hub and wheel bearing assembly.

   Are the wheel bearings OK?

• Yes:  GO to  C6.

  INSTALL new wheel bearings.

  Refer to: Front Wheel Bearing and Wheel Hub - V8 N/A 4.2L Petrol/V8 S/C 4.2L Petrol (Removal and Installation).

  Refer to: Front Wheel Bearing And Wheel Hub - V8 N/A 5.0L Petrol/V8 S/C 5.0L Petrol (Removal and Installation).

  TEST the system for normal operation.

1. Check all suspension bushings and ball joints.

   Are the suspension bushings and ball joints OK?

• Yes:  GO to  C7.
• No  : INSTALL new front suspension bushings and ball joints as necessary. Refer to the FRONT SUSPENSION relevant service information.

  INSTALL new rear suspension bushings and ball joints as necessary. Refer to the REAR SUSPENSION relevant service information.

1. Check the vehicle alignment.

   Refer to: SUSPENSION SYSTEM - GENERAL INFORMATION or SUSPENSION SYSTEM - GENERAL INFORMATION .

   Is the alignment within specification?

   • Yes  : Vehicle is OK.
   • No  : Adjust the alignment as necessary.

   Refer to: SUSPENSION SYSTEM - GENERAL INFORMATION or SUSPENSION SYSTEM - GENERAL INFORMATION .