Shock Absorber Replacement (GNC)

Fig 1: Shock Absorber Components (GNC)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation . Remove the three rear wheelhouse panel liner fasteners that are nearest to the shock absorber top mount. Reposition the liner to remove the top mount bolts. Refer to Rear Wheelhouse Liner Replacement .
1	Rear Shock Absorber Bolts Upper Body (Qty:2) CAUTION: Refer to Fastener Caution . Procedure Support the lower control arm with a suitable jack stand. Tighten First Pass: 100 N.m (74 lb ft) Second Pass: loosen 120 degrees Final Pass: 100 N.m (74 lb ft)
2	Rear Shock Absorber Bolt Procedure Remove and discard the bolt. Replace with NEW only. Tighten First Pass: 150 N.m (110 lb ft) Final Pass: plus 60 degrees
3	Shock Absorber Nut CAUTION: Do Not use air tools to remove the upper shock absorber nut. Doing so could damage the shock absorber internally. Tighten 20 N.m (15 lb ft)
4	Rear Shock Absorber Upper Mount Procedure Transfer the upper mount to the new shock absorber.
5	Shock Absorber CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component. Procedure Disconnect any electrical connectors, if equipped.