K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
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
Notice: Refer to Fastener Notice in Service Precautions.
1. Install the rear axle drain plug.
Tighten the rear axle drain plug to 33 Nm (24 ft. lbs.).
2. Fill the rear axle. Use the proper fluid.
3. Install the rear axle fill plug.