Suburban 1/2 Ton 4WD V8-5.3L VIN Z Flex Fuel (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. Notice: Refer to Fastener Notice in Service Precautions.
Install the rear axle drain plug.
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Tighten the rear axle drain plug to 33 Nm (24 ft. lbs.).
2. Fill the rear axle. Use the proper fluid. Refer to Capacities - Approximate Fluid and Fluid and Lubricant Recommendations .
