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
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
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 each
diagnostic category.
DTC Descriptor
DT
Removal Procedure
1. Raise and support the vehicle.
2. Remove the rear tire and wheel assembly.
3.
Rear Suspension Trailing Arm Nut(1) - Remove.
4. Rear Suspension Trailing Arm Bolt(2) - Remove and DISCARD.
5.
Rear Suspension Trailing Arm Bolt(1) - Remove and DISCARD.
6.
Rear Suspension Lowe