Inspection and Verification
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
If equipped with fire suppression system, refer to FIRE SUPPRESSION SYSTEM
for Important Safety Warnings.
- Road test.
- Verify the customer's concern by carrying out a road test on a smooth road. If any vibrations are apparent, refer to NOISE, VIBRATION & HARSHNESS .
- Inspect tires.
- Check the tire pressure with all normal loads in the vehicle and the tires cold; refer to the vehicle certification (VC) label.
- Verify that all tires are sized to specification.
- Inspect the tires for incorrect wear and damage.
- Inspect chassis and underbody.
- Inspect for aftermarket equipment.
- Check for aftermarket changes to the steering, suspension, wheel and tire components (such as competition, heavy duty). These specifications do not apply to vehicles equipped with aftermarket equipment.
VISUAL INSPECTION CHARTMechanical - Front wheel bearing(s)
- Loose or damaged front or rear suspension components
- Loose, damaged or missing suspension fastener(s)
- Incorrect spring usage
- Damaged or sagging spring(s)
- Damaged air spring(s)
- Damaged or leaking shock absorber(s)
- Worn or damaged suspension bushing(s) or ball joint(s)
- Loose, worn or damaged steering system components
- Damaged axle components
- Misaligned, compressed, worn or damaged body mounts
- If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to the next step.
- If the fault is not visually evident, determine the symptom. Go to SYMPTOM CHART .