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
SEE MORE:
DTC P0532 or P0533
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.
Diagnostic Procedure Instructions provides an overview of the diagnostic
category.
DTC Descriptors
DT
Tire Dismounting and Mounting
Removal
WARNING: Approved Safety Glasses And Gloves Should Be Worn When
Performing
This Procedure To Reduce The Chance Of Personal Injury.
CAUTION: Use A Tire Changing Machine In Order To Dismount Tires. Do Not
Use Hand
Tools Or Tire Irons Alone In Order To Remove The Tire From The Wheel.
Damage
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