Overhaul Procedure Steps

NOTE: This article lists the sequential steps necessary to overhaul the transmission.
^ For the specific step listed below, refer to that step under "Repair Instructions". Repair Instructions

1. Lift Plate and Holding Fixture Installation
2. Torque Converter Removal
3. Control Valve Body Assembly Removal
4. Input and Output Speed Sensor Removal
5. Torque Converter Housing with Fluid Pump Assembly Removal (Non Hybrid)
6. Differential Carrier Removal (6T40/45/50)
7. Drive and Driven Sprocket, Drive Link, and Park Pawl Removal (6T40/45/50)
8. Internal Components Removal
9. 2-6 Clutch Piston Removal
10. Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Removal
11. Manual Shift Shaft Seal Removal
12. Input Shaft Support Replacement (Gen 2)
13. 3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement (Gen 2)
14. Front Wheel Drive Shaft Seal Replacement - Case Side
15. Transmission Case Cleaning and Inspection
16. Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Installation
17. Manual Shift Shaft Seal Installation
18. 2-6 Clutch Piston Installation (6T40/45/50)
19. Low and Reverse and 1-2-3-4 Clutch Housing, Low and Reverse Clutch Assembly, Output Sun Gear, and 2-6 Clutch Plate Disassemble (Gen 2)
20. Input, Reaction, and Output Carrier Disassemble
21. 3-5-Reverse and 4-5-6 Clutch Housing Disassemble (6T40/45/50 - Gen 2)
22. 3-5-Reverse and 4-5-6 Clutch Housing Assemble (6T40/45/50 - Gen 2)
23. Input, Reaction, and Output Carrier Assemble (Gen 2)
24. 3-5-Reverse and 4-5-6 Clutch Housing, and Input, Reaction, and Output Carrier Installation
25. Low and Reverse Clutch Assembly and Low and Reverse Clutch Plate Installation
26. Low and Reverse and 1-2-3-4 Clutch Housing Disassemble
27. Low and Reverse and 1-2-3-4 Clutch Housing Cleaning and Inspection
28. Low and Reverse and 1-2-3-4 Clutch Housing Assemble
29. Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation (6T40/45/50)
30. Drive Sprocket, Driven Sprocket, and Drive Link Cleaning and Inspection
31. Drive and Driven Sprocket, Drive Link, and Park Pawl Installation (6T40/45/50)
32. Front Differential Carrier Cleaning and Inspection
33. Front Differential Carrier Installation (6T40/45/50)
34. Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Removal (6T40/45)
35. Front Wheel Drive Shaft Seal Removal - Torque Converter Housing Side
36. Front Differential Carrier Bearing Removal (AWD)
37. Front Differential Carrier Bearing Installation (AWD)
38. Front Wheel Drive Shaft Seal Installation - Torque Converter Housing Side
39. Torque Converter Housing Cleaning and Inspection
40. Transmission Fluid Pump Disassemble (6T40/45/50)
41. Fluid Pump Selective Measurement
42. Transmission Fluid Pump Assemble (6T40/45/50)
43. Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential Ring Gear Installation (6T40/45)
44. Torque Converter Housing with Fluid Pump Assembly Installation (6T40/6T45/6T50 Non Hybrid)
45. Input and Output Speed Sensor Installation
46. Control Valve Body Assembly Disassemble (Gen 2)
47. Control Valve Body Cleaning and Inspection (Gen 2)
48. Control Valve Channel Plate Cleaning and Inspection (6T40/45/50 - Gen 2)
49. Control Valve Body Assembly Assemble (Gen 2)
50. Control Valve Body Assembly Installation
51. Control Solenoid Valve and Transmission Control Module Assembly Installation
52. Control Valve Body Cover Installation
53. Torque Converter Fluid Seal Replacement
54. Torque Converter Installation
55. Lift Plate and Holding Fixture Removal