GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Torque Converter and Oil Pump Drive Shaft Removal
  2. Holding Fixture Installation
  3. Vehicle Speed Sensor and Transmission Fluid Cooler Pipe Fitting Removal
  4. Fourth Servo Removal
  5. Final Drive End Play Measurement
  6. Case Extension and Scavenge Pipe Removal
  7. Differential Carrier and Housing Removal
  8. Output Shaft Removal
  9. Final Drive Carrier, Sun and Internal Gear Removal
  10. Bottom Pan, Gasket, and Scavenge Screens Removal
  11. Lower Control Valve Body Assembly Removal
  12. Input Shaft End Play Measurement
  13. Side Cover, Gasket, and Filter Removal
  14. Oil Pump, Upper Control Valve Assembly Removal
  15. Case Cover Removal
  16. Drive/Driven Sprocket and Chain Removal
  17. Input Speed Sensor and Wiring Harness Removal
  18. Second Clutch Plates and Reverse Clutch Removal
  19. 4th Band and Third Clutch/Reaction Shell Removal
  20. Parking Pawl Removal
  21. Forward Clutch Assembly and Low Reverse Band Removal
  22. Manual Shaft Assembly Removal
  23. Case Inspection
  24. Drive Sprocket Support and Seal Replacement
  25. Forward and Coast Clutch Assembly Overhaul
  26. Low/Reverse Band and Fretting Ring Installation
  27. Forward and Coast Clutch Installation
  28. Final Drive Internal Gear and Snap Ring Installation
  29. Forward Clutch Support Stud Installation
  30. Parking Pawl and Pivot Pin Install
  31. Third Clutch and Reaction Carrier Disassemble
  32. Third Clutch and Reaction Carrier Assemble
  33. Reaction Carrier/Shell and Third Clutch Installation
  34. 4th Band Installation
  35. Reverse Clutch Housing and Second Sprag Disassemble
  36. Reverse Clutch Housing and Second Sprag Assemble
  37. Reverse Clutch Housing Installation
  38. Second Clutch Plates Installation
  39. Driven Sprocket Support Disassemble
  40. Driven Sprocket Support Assemble
  41. Drive Sprocket, Driven Sprocket, and Drive Link and Assemble
  42. Thrust Bearings Installation
  43. Case Cover/Turbine Shaft Seal Replacement
  44. Case Cover Assembly Installation
  45. Assembly End Play Measurement
  46. Control Valve Upper Body Disassemble
  47. Control Valve Upper Body Assemble
  48. Upper Control Valve Assembly Installation
  49. Pump Disassemble
  50. Secondary Pump Disassemble
  51. Secondary Pump Assemble
  52. Pump Assemble
  53. Pump Installation
  54. Temperature Sensor, Torque Converter Clutch Solenoid Valve, and Pressure Control Solenoid Valve Assemble
  55. Oil Filter and Side Cover Install
  56. Control Valve Lower Body Disassemble
  57. Control Valve Lower Body Disassemble
  58. Control Valve Lower Body Assemble
  59. Channel Plate Assemble
  60. Lower Control Valve Body and Transmission Fluid Pressure Switch Install
  61. Accumulator Housing Disassemble
  62. Accumulator Housing Assemble
  63. Lower Controls Assembly Installation
  64. Manual Link and Wire Harness Connection
  65. Scavenge Screens/Seals, Bottom Pan Installation
  66. Final Drive Carrier Inspect
  67. Differential Carrier Overhaul
  68. Final Drive Carrier/Differential Carrier Install
  69. Output Shaft Installation
  70. Scavenge Pipe Installation
  71. Case Extension Install/Final Drive End Play Check
  72. Fourth Servo Overhaul
  73. Vehicle Speed Sensor and Transmission Fluid Cooler Pipe Fitting Installation
  74. Axle Seals Replacement
  75. Torque Converter and Oil Pump Drive Shaft Install