Removal Procedure

NOTE: Use care when handling the coil springs in order to avoid chipping or scratching the coating. Damage to the coating will result in premature failure of the coil springs.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
Remove the shock module from the vehicle. Refer to SHOCK MODULE REPLACEMENT .

Fig 1: Removing Shock Module Yoke To Shock Absorber Pinch Bolt And Nut
Courtesy of GENERAL MOTORS CORP.
Remove the shock module yoke to shock absorber pinch bolt and nut.
Spread the shock module yoke at the pinch bolt using a flat bladed tool.
Remove the shock module yoke from the shock absorber.

Fig 2: Spreading Shock Module Yoke At Pinch Bolt
Courtesy of GENERAL MOTORS CORP.
Install pieces of heater hose to the shock module spring where J 45400 contacts lower part of spring.
Install the shock module (2) into the J 45400 (1).

Fig 3: Installing Shock Module Into Tool
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The spring is compressed when the shock absorber moves freely.
Turn the spring compressor forcing screw (1) until the coil spring (2) is compressed.

Fig 4: Turning Spring Compressor Forcing Screw
Courtesy of GENERAL MOTORS CORP.
Remove the shock absorber upper retaining nut.
Remove the shock absorber from the shock module.
Loosen the compressor forcing screw until the upper mounting plate and coil spring may be removed.
Remove the upper mounting plate and coil spring from the J 45400.

Fig 5: Removing Shock Absorber Upper Retaining Nut
Courtesy of GENERAL MOTORS CORP.