Buick Regal 2018-2026 Service Manual / Transmission / Transmission Cooling System / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
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Transmission Overheats
TRANSMISSION FLUID COOLER FLOW TEST AND FLUSHING (6T50)
GM studies indicate that plugged or restricted transmission oil coolers and
pipes cause insufficient
transmission lubrication and elevated ope
Transmission Fluid Cooler Flow Test and Flushing (AF50-8)
Special Tools
DT - 45096 TransFlow Cooler Flush Machine
DT - 45096 - 30 TransFlow Adapter
For equivalent regional tools, refer to Special Tools.
GM studies indicate that plugged or restricted tra
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Differential Carrier Assembly Replacement
Removal Procedure
1. Raise and support the vehicle.
2. Differential Carrier Assembly - Drain.
3. Exhaust Muffler - Remove.
4. Propeller Shaft - Remove.
5. Parking Brake Actuator - Disconnect.
6. Rear Wheel Drive Shaft - Remove.
7. Disconnect the differential carrier electrical connectors at t
Specifications
FASTENER SPECIFICATIONS
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after removal.
Application
Power Transfer Unit Alignment Sleeve
Power Transfer Unit Cover Housing Seal
Power Transfer Unit Face Seal
Power
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