DIAGNOSIS AND TESTING - REAR SUSPENSION


CONDITION
 
POSSIBLE CAUSES
 
CORRECTION
 
VEHICLE INSTABILITY
 
1. Loose or worn wheel bearings.
 
1. Replace wheel bearings.
 
2. Loose, worn or bent suspension components.
 
2. Inspect, tighten or replace components as necessary.
 
 
3. Tire pressure.
 
3. Adjust tire pressure.
 
 
VEHICLE PULLS TO ONE SIDE
 
1. Weak or broken spring.
 
1. Replace spring.
 
2. Alignment.
 
2. Align vehicle to specifications.
 
 
3.Tires.
 
3. Replace tires.
 
 
4. Brakes.
 
4. Repair as necessary.
 
 
KNOCKING, RATTLING OR SQUEAKING
 
1. Worn shock bushings.
 
1. Replace shock.
 
2. Loose shock mounting.
 
2. Tighten to specifications.
 
 
3. Shock valve.
 
3. Replace shock.
 
 
4. Loose upper ball joint.
 
4. Replace ball joint.
 
 
5. Loose, worn or bent suspension components.
 
5. Inspect, tighten or replace components as necessary.
 
 
IMPROPER TRACKING
 
1. Loose, worn or bent suspension components.
 
1. Inspect, tighten or replace components as necessary.
 
2. Bent axle.
 
2.Replace axle.