Suburban 3/4 Ton 4WD V8-6.0L VIN U (2004)
Fluid - Differential: Service and Repair
Front Drive Axle
Lubricant Level Inspection
Lubricant Level Inspection - Front
Drive Axle
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Make sure the vehicle is level.
3. Inspect the front axle for leaks. Repair as
4. Remove the front differential carrier shield, if equipped. Refer to Shield Replacement on
5. Clean the area around the front axle fill plug.
6. Remove the front axle fill plug (1).
7. Inspect the oil level.
Specification
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For the 8.25 inch axle, the oil level should be between 12-16 mm (0.50-0.625 inch) below the fill plug opening.
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For the 9.25 inch axle, the oil level should be between 6-10 mm (0.25-0.375 inch) below the fill plug opening.
8. If the level is low, add oil until the level is between 12-16 mm (0.50-0.625 inch) for the 8.25 inch axle or 6-10 mm (0.25-0.375 inch) for the 9.25
inch axle. Use the proper fluid. Refer to Fluid and Lubricant Recommendations.
Notice: Refer to Fastener Notice in Service Precautions.
9. Install the fill plug.
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Tighten the plug to 33 Nm (24 ft. lbs.).
10. Install the front differential carrier shield, if equipped. Refer to Shield Replacement.
11. Lower the vehicle.
Lubricant Replacement
Lubricant Replacement - Front Drive Axle
Removal Procedure