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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Radiator Lower Bracket Replacement - Left Side
Preliminary Procedure
Radiator Replacement (2.0L LTG) or Radiator Replacement (3.6L LGX).
Radiator Lower Bracket
Procedure
Depress the locking tab on the bracket to remove.
RADIATOR LOWER BRACKET REPLACEMENT - RIGHT SIDE
Preliminary Procedure
Radiator Replacement (2.0L LTG) or Radiator Rep
Symptoms - Engine Cooling
Important Preliminary Inspections Before Starting
Before using the Symptom diagnosis, perform the following:
Perform Diagnostic System Check - Vehicle and verify all of the
following items:
Engine control module (ECM) and malfunction indicator lamp (MIL) are
operating correctly.
There are
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