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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 417 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSCOIL SPRING REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

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

Install the coil spring to the vehicle.

Fig 1: View Of Frame-To-Body Mounting Bolts & Washers

Courtesy of GENERAL MOTORS CORP.

Raise the frame.

CAUTION: Refer to Fastener Caution .

Install the frame to body mounting bolts and washers.
1. Tighten the front bolts to 265 N.m (195 lb ft).
2. Tighten the rear bolts to 191 N.m (140 lb ft).
Remove the jack from the vehicle.
Install a suitable jack under the lower control arm.

Fig 2: View Of Lower Shock Mounting Bolt

Courtesy of GENERAL MOTORS CORP.

Using the jack raise the lower control arm until the shock absorber aligns with the knuckle.
Install the shock absorber lower retaining bolt and tighten to 150 N.m (111 lb ft).
Remove the jack from the vehicle.
Connect the head lamp adjustment link to the upper control arm.
Connect the automatic level control sensor link to the upper control arm.
Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
Lower the vehicle.

RENDER: 1.0x

NO RELATED

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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.