Adjustment Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J-2222-C Wheel Bearing Nut Wrench

Equivalent regional tools:Special Tools

Raise the vehicle. Lifting and Jacking the Vehicle
Remove the axle shaft. Rear Axle Shaft and Gasket Replacement
Remove the hub adjuster nut retaining ring.
Remove the adjuster nut lock key.
CAUTION:
Refer to Fastener Caution .

Tighten the wheel bearing adjusting nut using the J-2222-C wrench.

Rotate the hub in the opposite direction to the way the adjuster nut is turning.

Ensure the inner bearing and the seal seats against the spindle shoulder and tighten the adjusting nut to 70 N.m (52 lb ft).
Turn the adjusting nut counterclockwise until the nut is loose using the J-2222-C wrench.
Turn the adjusting nut clockwise until the nut contacts the bearing cone. Torque on the nut must be zero to finger tight.
Insert the adjusting nut lock key into the keyway using one of the following procedures:
- If the adjusting nut slot is in alignment with the keyway in the axle spindle, insert the adjusting nut lock key into the keyway in the axle spindle.
- If the adjusting nut slot is not aligned with the keyway in the axle spindle, turn the adjusting nut counterclockwise until the adjusting nut slot is in alignment with the keyway in the axle spindle and insert the adjusting nut lock key.
Install the retaining ring.
Install the axle shaft. Rear Axle Shaft and Gasket Replacement
Inspect the lubricant level and add, if necessary. Rear Axle Lubricant Level Inspection (10.5 Inch Axle) , or Rear Axle Lubricant Level Inspection (9.5 Inch Axle)
Lower the vehicle.