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 2281 (REAR DRIVE AXLE)REPAIR INSTRUCTIONSDIFFERENTIAL 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 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The differential is shipped with a plastic vent plug. Remove the plastic vent plug prior to differential vent installation.

When replacing the differential, remove the plastic vent plug and install a new differential vent.
The vent flange must be fully seated.
If reusing the wheel drive shaft remove and discard the wheel drive shaft retaining ring. The wheel drive shaft retaining ring is on the splined shaft of the inner tripod housing.
Install the new wheel drive shaft retaining ring. The wheel drive shaft retaining ring is on the splined shaft of the inner tripod housing.

Fig 1: Seal Protector In Differential Output Shaft Seal

Courtesy of GENERAL MOTORS CORP.

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.