Repair Instructions
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic Repair Verification after completing the repair:Diagnostic Repair Verification
- 3-5-Reverse and 4-5-6 Clutch Housing Disassemble (6T30/40/45/50 - Gen 2)
- Control Solenoid Valve and Transmission Control Module Assembly Replacement - Q8 Control Solenoid Valve Assembly
- Control Valve Body Assembly Removal
- Control Valve Channel Plate Cleaning and Inspection (6T30/40/45/50 - Gen 2)
- Transmission Fluid Pump Disassemble (6T40/45/50)
- Perform the scan tool configuration/reset function:Transmission Adaptive Values Learn
- For control module replacement, programming, and setup refer to:Control Module References