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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Rear Brake Hose Replacement (GNC)
Removal Procedure
WARNING: Brake Dust Warning
WARNING: Brake Fluid Irritant Warning
1. Raise and support the vehicle.
2. Remove the tire and wheel assembly.
3.
Brake Pipe Fitting(1) - Disconnect.
4. Cap the brake pipe fitting to prevent brake fluid loss and contamination.
5.
Brake Hose Retainer
Supplemental Inflatable Restraints
SPECIFICATIONS
FASTENER SPECIFICATIONS
Reusable Threaded Fastener Tightening Specifications
NOTE:
All fasteners listed in this table can be reused after removal.
SCHEMATIC WIRING DIAGRAMS
SIR WIRING SCHEMATICS
Power, Ground, Serial Data, and Indicator
Passenger Presence System
Frontal Impact Sens
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