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:
Symptoms - Power Steering System
NOTE: Review the system description and operation in order to
familiarize yourself
with the system functions. Refer to Power Steering System Description and
Operation (Electronic Power Steering).
Visual/Physical Inspection
Inspect for aftermarket devices which could affect the operation of the
DTC B125C
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Refer to Diagnostic Procedure Instructions for an overview of each
diagnostic category.
DTC Descripto
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