Repair Instructions
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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
- 1-2-3-4 and 3-5 Reverse Clutch Fluid Seal Ring Installation (6L80/6L90) - Reluctor Ring
- 1-2-3-4 and 3-5 Reverse Clutch Assembly and 4-5-6 Clutch Assembly Removal - Reluctor Ring
- Control Solenoid Valve and Transmission Control Module Assembly Replacement - Q8 Control Solenoid Valve Assembly
- Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement
- Input and Output Speed Sensor Replacement - B14C Transmission Input Shaft Speed Sensor
- Perform the scan tool configuration/reset function: Reset Transmission Adapts
- For control module replacement, programming, and setup refer to: Control Module References