K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
1. Install the rear axle drain plug.
Tighten the rear axle drain plug to 27 Nm (20 ft. lbs.).
2. Fill the rear axle. Use the proper fluid.
3. Install the rear axle fill plug.
Tighten the rear axle fill plug to 21 Nm (15 ft. lbs.).
4. Lower the vehicle.