PINPOINT TEST A : Vehicle Drifts, Pulls
- A1 CHECK FOR UNEVENLY LOADED VEHICLE
- Visually check the vehicle for an uneven loading condition.
Is the vehicle unevenly loaded?
Yes ADVISE the customer of uneven loading condition. No GO to A2. - A2 CHECK THE TIRE PRESSURES AND TIRE CONDITIONS
- Check the tire pressures. Refer to the VC label located on the driver door jamb. Check the tires for uneven/abnormal wear. REFER to Wheels and Tires .
Are the tire pressures and tire conditions OK?
Yes GO to A3. No ADJUST the tire pressures to the specified pressure or INSTALL new tires as necessary. - A3 ISOLATE TIRE DRIFT/PULL CONDITION
- Cross the front wheel and tire assemblies from left-to-right. REFER to Wheels and Tires
Does the vehicle drift/pull?
Yes If the vehicle drifts/pulls in the opposite direction, tire forces are causing the drift/pull. REFER to REFER to Wheels and Tires to diagnose tire drift pull. If the vehicle drifts/pulls in the same direction, GO to A4. No Tire forces were causing the drift/pull and the concern has been corrected. - A4 CHECK FOR BRAKE DRAG
- Spin all 4 wheel and tire assemblies by hand and check for brake drag.
Do the wheels spin freely?
Yes GO to A5. No REFER to Brake System - General Information , Symptom Chart: Brake System to diagnose brake drag condition. - A5 CHECK THE WHEEL ALIGNMENT
- Using alignment equipment and the manufacturer's instructions, check the wheel alignment.
Is the wheel alignment out of specification?
Yes ADJUST the alignment as necessary. REFER to Camber Adjustment - Front . No REFER to Electronic Power Assist Steering (EPAS) System , Symptom Chart: Interactive Diagnostics to diagnose steering system drift/pull/wander condition.