Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1974 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSSPRING JOUNCE BUMPER REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Suspension Jounce Bumper

Courtesy of GENERAL MOTORS CORP.

Install the rear suspension jounce bumper (1) and tighten until the jounce bumper just makes contact with the mounting bracket.

Fig 2: Identifying Reference Mark At Jounce Bumper To Mounting Bracket

Courtesy of GENERAL MOTORS CORP.

Using a grease pencil or equivalent, create a reference mark (1) from the jounce bumper (3) to the mounting bracket (2).
Tighten the jounce bumper (3) by rotating it 360° or one full turn.

Fig 3: Reference Mark, Jounce Bumper And Hex Nut

Courtesy of GENERAL MOTORS CORP.

Using the reference mark (1) as a starting point, rotate the jounce bumper (2) an additional 120° or two points of the hex nut (3) on the jounce bumper.
Install the lower control arm assembly. Refer to Rear Axle Lower Control Arm Replacement .
Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
Remove the support and lower the vehicle.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.