Pinpoint Test C: The Brakes Pull Or Drift
- C1: ROAD TEST VEHICLE
- Road test the vehicle and apply the brake pedal.
Does the vehicle pull or drift?
- Yes : GO to C2 .
- No : No action required, vehicle is OK.
- C2: INSPECT TIRE CONDITION/PRESSURE
- 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. Re-test the system for normal operation.
- C3: CHECK CALIPERS
- 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 required.
REFER to:
Brake Caliper - Vehicles With: High Performance Brakes (Front Disc Brake - GTDi 2.0L Petrol/TD4 2.2L Diesel/TDV6 3.0L Diesel/V6 S/C 3.0L Petrol/V8 S/C 5.0L Petrol, Removal and Installation),
Brake Caliper - Vehicles With: Standard Brakes (Front Disc Brake - GTDi 2.0L Petrol/TD4 2.2L Diesel/TDV6 3.0L Diesel/V6 S/C 3.0L Petrol/V8 S/C 5.0L Petrol, Removal and Installation),
Brake Caliper - Vehicles With: High Performance Brakes (Rear Disc Brake - GTDi 2.0L Petrol/TD4 2.2L Diesel/TDV6 3.0L Diesel/V6 S/C 3.0L Petrol/V8 S/C 5.0L Petrol, Removal and Installation),
Brake Caliper - Vehicles With: Standard Brakes (Rear Disc Brake - GTDi 2.0L Petrol/TD4 2.2L Diesel/TDV6 3.0L Diesel/V6 S/C 3.0L Petrol/V8 S/C 5.0L Petrol, Removal and Installation). Re-test the system for normal operation.
- No : GO to C4 .
- C4: INSPECT BRAKE DISCS
- Check the brake discs for excessive damage, thickness variation or runout.
refer to: Brake Disc Runout Check (Brake System - General Information, General Procedures).
Does excessive damage or runout exist?
- Yes : Install new brake discs and brake pads as required. Re-test the system for normal operation.
- No : GO to C5 .
- C5: INSPECT THE FRONT HUB AND WHEEL BEARING ASSEMBLY
- Check the front hub and wheel bearing assembly.
Are the wheel bearings OK?
- Yes : GO to C6 .
- No
: Install new wheel bearings as required.
Refer To: Front Wheel Bearing and Wheel Hub - RWD (Front Suspension, Removal and Installation).
Re-test the system for normal operation.
- C6: CHECK SUSPENSION BUSHINGS AND BALL JOINTS.
- 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 required. Install new rear suspension bushings and ball joints as required. Refer to the relevant section in the service information.
- C7: CHECK VEHICLE ALIGNMENT
- Check the vehicle alignment.
Is the alignment within specification?
- Yes : No action is required, vehicle is OK.
- No : Adjust the alignment as required.
- Check the vehicle alignment.