Differential Drive Pinion Gear Seal Replacement

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Differential Drive Pinion Gear Seal

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Remove the torque tube assembly. Refer to Driveline Torque Tube Replacement
1	Differential Pinion Seal Procedure Install a sheet metal screw into the seal. Attach a pair of pliers or a slider hammer to the screw and remove the seal. Inspect the fluid level. Refer to Rear Axle Lubricant Level Inspection NOTE: The pinion flange, the nut and the dust cover are NOT SERVICED separately. These items are serviced with the torque tube assembly. Special Tools J 44636-1 Front Output Shaft Seal Protector For equivalent regional tools, refer to Special Tools .

Callout

Component Name

Preliminary Procedures

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
Remove the torque tube assembly. Refer to Driveline Torque Tube Replacement

Differential Pinion Seal

Procedure

Install a sheet metal screw into the seal.
Attach a pair of pliers or a slider hammer to the screw and remove the seal.
Inspect the fluid level. Refer to Rear Axle Lubricant Level Inspection

NOTE:

The pinion flange, the nut and the dust cover are NOT SERVICED separately. These items are serviced with the torque tube assembly.

Special Tools
J 44636-1 Front Output Shaft Seal Protector
For equivalent regional tools, refer to Special Tools .