Struts Or Shock Absorbers On-Vehicle Testing

Did you review the General Description and perform the necessary inspections? If yes, go to step 2 . If no, go to SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS .
Verify that the malfunction is present. Does the vehicle operate normally? If yes, system is OK. If no, go to step 3 .
A light film of oil on the top portion of the reservoir is normal. Inspect each shock absorber for external fluid leakage. Is the shock absorber leaking? If yes, go to step 7 . If no, go to step 4 .
Inspect the vehicle trim height. Refer to TRIM HEIGHT INSPECTION PROCEDURE . Is the vehicle trim height correct? If yes, go to step 5 . If no, go to step 6 .
Use your hands in order to lift up and push down each corner of the vehicle 3 times. Remove your hands from the vehicle. Does the vehicle stop bouncing after 2 cycles? If yes, go to step 8 . If no, go to step 7 .
Replace the front spring or the rear spring.
- Refer to COIL SPRINGS for Front Suspension.
- Refer to LEAF SPRING REPLACEMENT (PASSENGER/CARGO) and LEAF SPRING REPLACEMENT (CUTAWAY/UPFITTER) for Rear Suspension.
After repairs are complete, go to step 8 .
Replace the shock absorber.
- Refer to SHOCK ABSORBERS for Front Suspension.
- Refer to SHOCK ABSORBER REPLACEMENT for Rear Suspension.
After repairs are complete, go to step 8 .
Operate the vehicle in order to verify the repair. Did you correct the condition? If yes, system is OK. If no, go to step 3 .