GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Torque Converter Removal
  2. Transmission Holding Fixture Assemble
  3. Stub Shaft Removal
  4. Output Shaft Speed Sensor Removal
  5. Oil Pan and Gasket Removal
  6. Oil Filter/Seal, Oil Level Control Valve Removal
  7. Oil Feed Pipes Removal
  8. Intermediate/4th Servo Removal
  9. Low and Reverse Servo Removal
  10. Case Side Cover Removal
  11. Oil Pump and Oil Pump Shaft Removal
  12. Wire Harness Disconnect
  13. Transmission Fluid Pressure (TFP) Switch Removal
  14. Control Valve Body Assembly and Gasket Removal
  15. Spacer Plate and Gasket Removal
  16. Checkball Removal
  17. Manual Valve Clip Removal
  18. Channel Plate and Gasket Removal
  19. Accumulator Spring Removal
  20. Output Shaft Sleeve Removal
  21. Drive, Driven Sprockets, Drive Link Removal
  22. Input Speed Sensor Removal
  23. Wiring Harness Removal
  24. Driven Sprocket Support Assembly Removal
  25. 2nd Clutch Plates Removal
  26. Reverse Input Clutch Housing Removal
  27. Intermediate 4th Band Removal
  28. Direct/Coast Clutch and Reaction Gear Set Removal
  29. Input Carrier and Reaction Gear Assembly Removal
  30. Input Internal Gear, Forward Clutch Hub Removal
  31. Forward Clutch and Low/Reverse Band Removal
  32. Forward Clutch Support, Low Roller Clutch Removal
  33. Output Shaft and Final Drive Assembly Removal
  34. Final Drive Internal Gear Removal
  35. Manual Shaft, Detent Lever, Park Lock Removal
  36. Transmission Cooler Line Seals Removal
  37. Torque Converter Seal Removal
  38. Drive Sprocket Support Removal
  39. Right Hand Axle Seal Removal
  40. Case Inspection
  41. Actuator Guide Replacement
  42. Drive Sprocket Support Installation
  43. Torque Converter Seal Installation
  44. Transmission Cooler Line Seals Installation
  45. Manual Shaft, Detent Lever, Park Lock Installation
  46. Final Drive Assembly Disassemble
  47. Final Drive Assembly Assemble
  48. Final Drive Pinion End Play Check
  49. Fretting Ring, Final Drive Internal Gear Install
  50. Forward Clutch Support, Roller Clutch Disassemble
  51. Forward Clutch Support, Low Roller Clutch Assemble
  52. Forward Clutch Support, Low Roller Clutch Install
  53. Forward Clutch Disassemble
  54. Forward Clutch Assemble
  55. Forward Clutch Functional Air Check
  56. Low/Reverse Band Installation
  57. Forward Clutch Assembly Installation
  58. Input Internal Gear, Forward Clutch Hub Disassemble
  59. Input Internal Gear, Forward Clutch Hub Assemble
  60. Input Internal Gear, Forward Clutch Hub Install
  61. Reaction Internal Gear, Input Carrier Disassemble
  62. Input Carrier Pinion Gear Clearance Check
  63. Reaction Internal Gear, Input Carrier Assemble
  64. Reaction Internal Gear, Input Carrier Installation
  65. Direct/Coast Clutch, Reaction Carrier Disassemble
  66. Reaction Carrier Pinion Clearance Check
  67. Direct/Coast Clutch, Reaction Carrier Assemble
  68. Direct and Coast Clutch Functional Air Checks
  69. Direct/Coast Clutch, Reaction Carrier Installation
  70. Selective Washer Measurement and Installation
  71. Reverse Input and 2nd Roller Clutch Disassemble
  72. Reverse Input and 2nd Roller Clutch Assemble
  73. Reverse Clutch Functional Air Check
  74. Reverse Input and Second Roller Clutch Installation
  75. Intermediate Fourth Band Assembly Installation
  76. Second Clutch Plate Installation
  77. Driven Sprocket Support Assembly Disassemble
  78. Drive Sprocket Support Assemble
  79. 2nd Clutch Functional Air Check
  80. Wiring Harness Connection
  81. Input Speed Sensor Installation
  82. Drive, Driven Sprockets and Drive Link Disassemble
  83. Drive, Driven Sprockets and Drive Link Assemble
  84. Drive Sprocket, Driven Sprocket, and Drive Link Installation
  85. Channel Plate Assembly Disassemble
  86. Channel Plate Assembly Assemble
  87. Accumulator Springs Installation
  88. Channel Plate Assembly Installation
  89. Manual Valve Link Installation
  90. Spacer Plate and Gaskets Installation
  91. Control Valve Body Disassemble
  92. Control Valve Body Assemble
  93. Control Valve Assembly and Transmission Fluid Pressure (TFP) Switch Installation
  94. Oil Pump Clean and Inspect
  95. Oil Pump Assembly Installation
  96. Side Cover/Gaskets, Disassemble, Assemble, Install
  97. Output Shaft Sleeve Assemble
  98. Output Shaft and Sleeve Assembly Installation
  99. Side Cover Axle Seal Installation
  100. Stub Shaft Sleeve Assembly Installation
  101. Right Hand Axle Seal Assemble
  102. Vehicle Speed Sensor Installation
  103. Intermediate/4th Servo Disassemble
  104. Intermediate/4th Servo Assemble and Installation
  105. Low and Reverse Servo Disassemble
  106. Low and Reverse Servo Assemble and Installation
  107. Oil Feed Pipes Assemble
  108. Filter Assembly and Seal Installation
  109. Oil Level Control Valve Installation
  110. Oil Pan and Gasket Installation
  111. Torque Converter Installation