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. Oil Pump and Oil Pump Shaft Removal
  12. Wire Harness Disconnect
  13. Transmission Fluid Pressure 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 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. Output Shaft and 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 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 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. Forward Clutch Support, Roller Clutch Disassemble
  52. Forward Clutch Support, Low Roller Clutch Assemble
  53. Forward Clutch Support, Low Roller Clutch Install
  54. Forward Clutch Assembly Disassemble
  55. Forward Clutch Assembly Assemble
  56. Forward Clutch Functional Air Check
  57. Low/Reverse Band Installation
  58. Forward Clutch Assembly Installation
  59. Input Internal Gear, Forward Clutch Hub Disassemble
  60. Input Internal Gear, Forward Clutch Hub Assemble
  61. Input Internal Gear, Forward Clutch Hub Install
  62. Reaction Internal Gear, Input Carrier Disassemble
  63. Input Carrier Pinion Gear Clearance Check
  64. Reaction Internal Gear, Input Carrier Assemble
  65. Reaction Internal Gear, Input Carrier Installation
  66. Direct/Coast Clutch, Reaction Carrier Disassemble
  67. Reaction Carrier Pinion Clearance Check
  68. Direct/Coast Clutch, Reaction Carrier Assemble
  69. Direct and Coast Clutch Functional Air Checks
  70. Direct/Coast Clutch, Reaction Carrier Installation
  71. Selective Washer Measurement and Installation
  72. Reverse Input and Second Roller Clutch Disassemble
  73. Reverse Input and Second Roller Clutch Assemble
  74. Reverse Clutch Functional Air Check
  75. Reverse Input and Second Roller Clutch Installation
  76. Intermediate Fourth Band Assembly Installation
  77. Second Clutch Plate Installation
  78. Driven Sprocket Support Assembly Disassemble
  79. Drive Sprocket Support Assemble
  80. Second Clutch Functional Air Check
  81. Driven Sprocket Support Assembly Installation
  82. Wiring Harness Connection
  83. Input Speed Sensor Installation
  84. Drive Sprocket, Driven Sprocket, and Drive Link Disassemble
  85. Drive Sprocket, Driven Sprocket, and Drive Link Assemble
  86. Drive Sprocket, Driven Sprocket, and Drive Link Installation
  87. Channel Plate Assembly Disassemble
  88. Channel Plate Assembly Assemble
  89. Accumulator Springs Installation
  90. Channel Plate Assembly Installation
  91. Manual Valve Link Installation
  92. Checkballs Installation
  93. Spacer Plate and Gaskets Installation
  94. Control Valve Body Disassemble
  95. Control Valve Body Assemble
  96. Control Valve Assembly and Transmission Fluid Pressure Switch Installation
  97. Wiring Harness Assembly Connect
  98. Oil Pump Cleaning and Inspection
  99. Oil Pump Assembly Installation
  100. Side Cover/Gaskets, Disassemble, Assemble, Install
  101. Output Shaft Sleeve Assemble
  102. Output Shaft and Sleeve Assembly Installation
  103. Side Cover Axle Seal Installation
  104. Stub Shaft Sleeve Assembly Installation
  105. Right Hand Axle Seal Assemble
  106. Vehicle Speed Sensor Installation
  107. Inter Fourth Servo Disassemble, Assemble, and Install
  108. Intermediate/Fourth Servo Disassemble
  109. Intermediate/Fourth Servo Assemble and Installation
  110. Low/Reverse Servo Disassemble, Assemble, Install
  111. Low and Reverse Servo Disassemble
  112. Low and Reverse Servo Assemble and Installation
  113. Oil Feed Pipes Assemble
  114. Filter Assembly and Seal Installation
  115. Oil Level Control Valve Installation
  116. Automatic Transmission Fluid Pan and Gasket Installation
  117. Torque Converter Installation