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