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:
Rear Suspension
Specifications
FASTENER SPECIFICATIONS
Single Use Threaded Fastener/Component Tightening Specifications
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after removal.
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
wi
Displays and Gauges
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC AND WIRING DIAGRAMS
INSTRUMENT CLUSTER WIRING SCHEMATICS
Power, Ground, Serial Data and Gauges
Indicators (LGX)
Indicators (L
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