Assembly Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Right Axle Shaft Oil Seal

Courtesy of GENERAL MOTORS CORP.

Use the J 44809 (2) in order to install the right axle shaft oil seal (1). See Special Tools .

Fig 2: Installing The Left Axle Shaft Oil Seal Using J 44809

Courtesy of GENERAL MOTORS CORP.

Use the J 44809 (2) in order to install the left axle shaft oil seal (1). See Special Tools .

Fig 3: Locating Drive Pinion Housing O-Ring Seal

Courtesy of GENERAL MOTORS CORP.

Lubricate the O-ring seal (4) and oil seal (2) sealing surface with gear oil GM P/N 12378514 (Canadian P/N 88901045).
Install the O-ring seal (4) into the groove of the pinion housing (3).
Use the J 44915 (1) in order to install the oil seal (2) into the pinion housing (3). See Special Tools .

Fig 4: View Of Drive Pinion And Housing Assembly

Courtesy of GENERAL MOTORS CORP.

Install the pinion and housing assembly (1) and shim (2) to the differential (3).

Fig 5: Identifying Pinion Housing-To-Differential Bolts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the bolts (1) to the differential.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 6: View Of Torque Tube & Differential Pinion Shaft

Courtesy of GENERAL MOTORS CORP.

Install the torque tube (1) to the differential (2).

Fig 7: Identifying Torque Tube-To-Differential Bolts

Courtesy of GENERAL MOTORS CORP.

Install the bolts (1) to the differential.
Tighten: Tighten the bolts to 25 N.m (18 lb ft).

Fig 8: Torque Tube And Components

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: DO NOT tighten the bracket nut and bolt (1, 7) at this time. The bracket bolt and nut are to be tightened after the differential assembly is installed into the proper position in the vehicle.

Install the spacers (3, 6) to the tube flanges.
Install the bracket (4), bolt (7), washers (2, 8) and nut (1) to the tube.

Fig 9: Identifying Clutch Pump Check Valve Bolts

Courtesy of GENERAL MOTORS CORP.

Install the O-ring seals (1, 2) onto the clutch pump check valve (3).
Install the valve (3) and bolts (4, 5) to the differential.
Tighten: Tighten the valve bolts to 10 N.m (89 lb in).

Fig 10: View Of Differential Vent Hose Assembly

Courtesy of GENERAL MOTORS CORP.

Install the vent hose assembly (1) and clamp (2) to the differential (3).

Fig 11: Locating Differential Lubricant Drain Plug

Courtesy of GENERAL MOTORS CORP.

Install the oil drain plug (2) and gasket to the differential.
Tighten: Tighten the drain plug to 32 N.m (23 lb ft).