Perform the following front end inspection before making any adjustments affecting the caster, the camber, and the toe-in:

Important: The vehicle must be on a level surface.

1. Check for the proper inflation pressure of the tires. Refer to Tire Inflation Description in Tires and Wheels.
2. Inspect for excessive wear on the hub and on the bearing assemblies.
3. Inspect the following components:

•	The ball joints

•	The tie rod ends

•	The idler arm

•	The relay rods

4. Inspect the tires and the wheels for runout. Refer to Checking Tire and Wheel Runout in Vibration Diagnosis and Correction.
5. Check the vehicle trim heights. Refer to Trim Height in Suspension General Diagnosis. Make any needed corrections to trim height before you adjust the caster, the camber, or the toe-in.
6. Inspect for looseness of the steering gear at the frame.
7. Inspect the shock absorbers for leaks. Check the shock absorbers for noise.
8. Inspect for looseness of the control arms or looseness of the stabilizer shaft attachments. Refer to Fastener Tightening Specifications in Front Suspension.
9. Inspect the alignment equipment. Follow the manufacturer's instructions.