Suspension Strut and Shock Absorber Testing - On Vehicle. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 4WD 🢒 Suspension 🢒 Automatic Level Control 🢒 Suspension Strut and Shock Absorber Testing - On Vehicle

Step

Action

Yes

Did you review the General Description and perform the necessary inspections?

Verify that the malfunction is present.

Does the vehicle operate normally?

System OK

Important: 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?

Inspect the vehicle trim height. Refer to Trim Height Inspection .

Is the vehicle trim height correct?

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?

Replace the front coil spring, torsion bar, or the rear leaf spring.

•	Refer to Front Coil Springs Replacement in Front Suspension.

•	Refer to Torsion Bar and Support Assembly Replacement in Front Suspension.

•	Refer to Leaf Spring Replacement in Rear Suspension.

Did you complete the repair?

Replace the strut or shock absorber.

•	Refer to Shock Absorber Replacement in Front Suspension.

•	Refer to Shock Absorber Replacement in Rear Suspension.

Did you complete the repair?

Operate the vehicle in order to verify the repair.

Did you correct the condition?

System OK