Inspection and Verification
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- 1.
Road test.- If any suspension alignment or ride height concerns are present, GO to Symptom Chart - Suspension System .
- Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are present, GO to Symptom Chart - NVH .
- 2.
Inspect tires.- Check the tire pressure with all normal loads in the vehicle and with the tires cold. Refer to the Vehicle Certification (VC) label.
- Verify that all tires are sized to specification. Refer to Wheels and Tires .
- Inspect the tires for incorrect wear and damage. Refer to Wheels and Tires .
- 3.
Inspect chassis and underbody.- Remove any excessive accumulation of mud, dirt or road deposits from the chassis and underbody.
- 4.
Inspect for aftermarket equipment.- Check for aftermarket changes to the steering, suspension, wheel and tire components (such as competition, heavy duty, etc.). The specifications shown in this article do not apply to vehicles equipped with aftermarket equipment.
Visual Inspection Chart
| Mechanical |
|---|
| 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 or leaking shock absorber(s) Worn or damaged suspension bushing(s) Loose, worn or damaged steering system components Damaged axle components |
- 5.
If an obvious cause for an observed or reported condition is found, correct the cause (if possible) before proceeding to the next step.
- 6.
If the fault is not visually evident, GO to Symptom Chart - Suspension System or GO to Symptom Chart - NVH .