Sierra 3500 4WD V8-8.1L VIN G (2006)
2. Remove the rear axle fill plug.
3. Remove the rear axle drain plug.
4. Drain the lubricant into a suitable container.
5. Inspect the drain plug for excessive metal particle accumulation. This accumulation is symptomatic of extreme wear.
6. Clean the drain plug.
Installation Procedure
1. Install the rear axle drain plug.
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Tighten the rear axle drain plug to 27 Nm (20 ft. lbs.).
Notice: Refer to Service Precautions.
2. Fill the rear axle. Use the proper fluid.
3. Install the rear axle fill plug.
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Tighten the rear axle fill plug to 21 Nm (15 ft. lbs.).
4. Lower the vehicle.
Lubricant Replacement - Rear Drive Axle (9.5/9.5LD, 10.5, and 11.5 Inch Axles)
