Buick Regal 2018-2026 Service Manual / Steering & Driveline & Axle / Rear Drive Axle / Repair Instructions
Buick Regal: Repair Instructions
- Rear Differential Clutch Control Module Replacement
- Differential Clutch Oil Inspection
- Differential Carrier Bushing Replacement - Rear
- Rear Axle Vent Replacement
- Differential Carrier Assembly Replacement
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Rear Differential Clutch Control Module Replacement
Removal Procedure
1. Prepare the control module for removal using the SPS programming support
tool.
NOTE: The rear differential clutch control module can now be removed
and replaced.
2. Raise and su
Differential Clutch Oil Inspection
1. Raise and support the vehicle.
2. Clean the area around the rear axle fill plug.
3. Place a drain pan under the vehicle.
4.
Differential Clutch Cover Plug(1) - Remove.
5. Rear Axle Housing Fi
Differential Carrier Bushing Replacement - Rear
Tools Required
J-45725 Cradle Bushing Replacer
For equivalent regional tool, refer to Special Tools.
Removal Procedure
1. Raise and support the vehicle.
2. Remove the rear differential assembly.
3
SEE MORE:
Knuckle Replacement (FWD)
Removal Procedure
1. Remove the rear tire and wheel assembly.
2. Rear Brake Caliper Bracket - Remove.
3. Rear Brake Rotor - Remove.
4. Rear Brake Shield - Remove.
5. Rear Wheel Bearing and Hub Assembly - Remove.
6.
Rear Suspension Upper Control Arm Outer Nut(1) - Remove.
7. Rear Suspension Up
Vent Hose Replacement
Removal Procedure
1. Raise and support the vehicle. Lifting and Jacking the Vehicle.
2.
Transmission Vent Hose (1) @Transmission - Disconnect.
3. Lower the vehicle.
4.
Unclip the vent hose retainer (2) from the radiator surge tank (3).
NOTE: Note the routing of the vent hose.
5. Transmission Ve
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