GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Torque Converter Assembly Removal
  2. Transmission Holding Fixture Assemble
  3. Stub Shaft Removal
  4. Output Speed Sensor Removal
  5. Automatic Transmission Fluid Pan and Gasket Removal
  6. Automatic Transmission Fluid Filter, Seal, and Level Control Valve Removal
  7. Oil Feed Pipes Removal
  8. Intermediate/Fourth Servo Removal
  9. Low and Reverse Servo Removal
  10. Control Valve Body Cover Removal
  11. Output Shaft Removal
  12. Oil Pump and Oil Pump Shaft Removal
  13. Wire Harness Disconnect
  14. Transmission Fluid Pressure Switch Removal
  15. Control Valve Body Assembly and Gasket Removal
  16. Spacer Plate and Gasket Removal
  17. Checkball Removal
  18. Manual Valve Clip Removal
  19. Channel Plate and Gasket Removal
  20. Accumulator Spring Removal
  21. Drive Sprocket, Driven Sprocket, and Drive Link Removal
  22. Input Speed Sensor Removal
  23. Wiring Harness Removal
  24. Driven Sprocket Support Assembly Removal
  25. Second Clutch Plates Removal
  26. Reverse Input Clutch Housing Removal
  27. Intermediate Fourth 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. Final Drive Assembly Removal
  34. Final Drive Internal Gear Removal
  35. Manual Shift Shaft Pin, Detent Lever, and Park Pawl Actuator Assembly Removal
  36. Transmission Fluid Cooler Pipe Fitting Seal 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 Fluid Cooler Pipe Fitting Seal Installation
  45. Manual Shift Shaft Pin, Detent Lever, and Park Pawl Actuator Assembly 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. Final Drive and Differential Assembly Install
  51. Output Shaft Inspect
  52. Output Shaft Installation
  53. Forward Clutch Support, Roller Clutch Disassemble
  54. Forward Clutch Support, Low Roller Clutch Assemble
  55. Forward Clutch Support, Low Roller Clutch Install
  56. Forward Clutch Assembly Disassemble
  57. Forward Clutch Assembly Assemble
  58. Forward Clutch Functional Air Check
  59. Low/Reverse Band Installation
  60. Forward Clutch Assembly Installation
  61. Input Internal Gear, Forward Clutch Hub Disassemble
  62. Input Internal Gear, Forward Clutch Hub Assemble
  63. Input Internal Gear, Forward Clutch Hub Install
  64. Reaction Internal Gear, Input Carrier Disassemble
  65. Input Carrier Pinion Gear Clearance Check
  66. Reaction Internal Gear, Input Carrier Assemble
  67. Reaction Internal Gear, Input Carrier Installation
  68. Direct/Coast Clutch, Reaction Carrier Disassemble
  69. Reaction Carrier Pinion Clearance Check
  70. Direct/Coast Clutch, Reaction Carrier Assemble
  71. Direct and Coast Clutch Functional Air Checks
  72. Direct/Coast Clutch, Reaction Carrier Installation
  73. Selective Washer Measurement and Installation
  74. Reverse Input and Second Roller Clutch Disassemble
  75. Reverse Input and Second Roller Clutch Assemble
  76. Reverse Clutch Functional Air Check
  77. Reverse Input and Second Roller Clutch Installation
  78. Intermediate Fourth Band Assembly Installation
  79. Second Clutch Plate Installation
  80. Driven Sprocket Support Assembly Disassemble
  81. Drive Sprocket Support Assemble
  82. Second Clutch Functional Air Check
  83. Driven Sprocket Support Assembly Installation
  84. Wiring Harness Connection
  85. Input Speed Sensor Installation
  86. Drive Sprocket, Driven Sprocket, and Drive Link Disassemble
  87. Drive Sprocket, Driven Sprocket, and Drive Link Assemble
  88. Drive Sprocket, Driven Sprocket, and Drive Link Installation
  89. Channel Plate Assembly Disassemble
  90. Channel Plate Assembly Assemble
  91. Accumulator Springs Installation
  92. Channel Plate Assembly Installation
  93. Manual Valve Link Installation
  94. Checkballs Installation
  95. Spacer Plate and Gaskets Installation
  96. Control Valve Body Disassemble
  97. Control Valve Body Assemble
  98. Control Valve Assembly and Transmission Fluid Pressure Switch Installation
  99. Wiring Harness Assembly Connect
  100. Oil Pump Cleaning and Inspection
  101. Oil Pump Assembly Installation
  102. Side Cover/Gaskets, Disassemble, Assemble, Install
  103. Side Cover Axle Seal Installation
  104. Output Shaft Sleeve Replacement
  105. Stub Shaft Sleeve Assembly Installation
  106. Right Hand Axle Seal Assemble
  107. Output Speed Sensor Installation
  108. Intermediate/Fourth Servo Disassemble
  109. Intermediate/Fourth Servo Assemble and Installation
  110. Low and Reverse Servo Disassemble
  111. Low and Reverse Servo Assemble and Installation
  112. Oil Feed Pipes Assemble
  113. Filter Assembly and Seal Installation
  114. Oil Level Control Valve Installation
  115. Automatic Transmission Fluid Pan and Gasket Installation
  116. Torque Converter Installation