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 DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESAXLE SHAFTSREAR DRIVE AXLEREPAIR INSTRUCTIONSREAR AXLE SHAFT AND/OR GASKET REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

Fig 1: Axle Flange Bolts

Courtesy of GENERAL MOTORS CORP.

Install the gasket onto the axle shaft.
Install the gasket and the axle shaft into the axle tube.
1. Ensure the shaft splines mesh into the differential side gear.
2. Align the holes in the axle flange and the gasket with the holes in the hub.

NOTE: Refer to Fastener Notice .

Install the axle flange bolts.
Tighten:
- For the 10.5 inch axle, tighten the rear axle flange bolts to 156 N.m (115 lb ft).
- For the 11.5 inch axle, tighten the rear axle flange bolts to 185 N.m (136 lb ft).
Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection (8.6 Inch Axle) or Rear Axle Lubricant Level Inspection (9.75, 10.5 and 10.75 Inch Axle) .
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.