GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

  1. Torque Converter Disassemble
  2. Transmission Support Fixture Assemble
  3. Vehicle Speed Sensor and Governor Disassemble
  4. Oil Pan and Filter Disassemble
  5. Transmission Fluid Filter Inspection
  6. Intermediate Band Servo Disassemble
  7. Low/Reverse Pipe, Weir and Retainers Disassemble
  8. Output Shaft Disassemble
  9. Control Valve Body Cover and Gasket Disassemble
  10. Throttle Valve Lever and Bracket Disassemble
  11. Torque Converter Clutch Solenoid and Wiring Harness Disassemble
  12. Control Valves and Oil Pump Disassemble
  13. Spacer Plate and Oil Pump Drive Shaft Disassemble
  14. Input Shaft to Case Cover End Play Check
  15. Case Cover and Gaskets Disassemble
  16. Drive Link Stretch Check
  17. Drive and Driven Sprocket Components Disassemble
  18. Park System Components Disassemble
  19. Driven Sprocket Support Disassemble
  20. Intermediate Band Disassemble
  21. Direct and Forward Clutch Components Disassemble
  22. Input Gear, Carrier, Sun Gear and Drum Disassemble
  23. Reaction Sun Gear to Input Drum End Play Check
  24. Low Clutch Roller Race End Play Check
  25. Reaction Sun Gear Disassemble
  26. Low and Reverse Clutch Housing Disassemble
  27. Low Roller Clutch and Reaction Gearset Disassemble
  28. Final Drive End Play Check
  29. Differential Carrier Components Disassemble
  30. Case Seals Disassemble
  31. Case Assembly Inspection
  32. Case Components Disassemble
  33. Case Components Assemble
  34. Drive Shaft Oil Seal Disassemble - Right Side
  35. Differential to Case Bushing Disassemble
  36. Differential to Case Bushing Assemble
  37. Drive Shaft Oil Seal Assemble - Right Side
  38. Torque Converter Fluid Seal Removal
  39. Drive Sprocket Support Disassemble
  40. Drive Sprocket Support Assemble
  41. Torque Converter Fluid Seal Assemble
  42. Third Oil and Case Cup Plugs Disassemble
  43. Third Oil and Case Cup Plugs Assemble
  44. Park Lock Pawl Disassemble
  45. Park Lock Pawl Assemble
  46. Manual Shaft and Filter Seals Assemble
  47. Differential Carrier Complete Disassemble
  48. Differential Carrier Inspection
  49. Differential Carrier Disassemble
  50. Differential Carrier Assemble
  51. Governor Drive Gear Disassemble
  52. Governor Drive Gear Assemble
  53. Differential Carrier Components Assemble
  54. Final Drive End Play Check
  55. Low Roller Clutch and Reaction Carrier Disassemble
  56. Low Roller Clutch and Reaction Carrier Inspection
  57. Reaction Carrier Pinion End Play Check
  58. Low Roller Clutch and Reaction Carrier Assemble
  59. Low and Reverse Clutch Assemble
  60. Low and Reverse Clutch Piston Disassemble
  61. Low and Reverse Clutch Piston Assemble
  62. Low, Reverse Clutch Piston to Case Seal Assemble
  63. Low and Reverse Clutch Functional Air Check
  64. Reaction Sun Gear Assemble
  65. Reaction Sun Gear to Input Drum End Play Check
  66. Input Drum Assemble
  67. Low Clutch Roller Race End Play Check
  68. Input Internal Gear, Carrier, Sun Gear Assemble
  69. Forward Clutch Assembly Disassemble
  70. Forward Clutch Assembly Assemble
  71. Direct Clutch Disassemble
  72. Direct Clutch Inspection
  73. Direct Clutch Housing Retainer/Ball Disassemble
  74. Direct Clutch Housing Retainer/Ball Assemble
  75. Direct Clutch Assembly Assemble
  76. Direct and Forward Clutch Housings Assemble
  77. Direct and Forward Clutch Assemble
  78. Intermediate Band Assemble
  79. Driven Sprocket Support Components Disassemble
  80. Driven Sprocket Support Components Inspection
  81. Driven Sprocket Bearing Disassemble
  82. Driven Sprocket Bearing Assemble
  83. Driven Sprocket Support Components Assemble
  84. Park System Components Assemble
  85. Drive Sprocket and Turbine Shaft Disassemble
  86. Drive Sprocket and Turbine Shaft Assemble
  87. Drive and Driven Sprocket Components Assemble
  88. Drive Link Stretch Check
  89. Case Cover Components Disassemble
  90. Case Cover Components Inspection
  91. Vent and Line Pressure Plug Disassemble
  92. Vent and Line Pressure Plug Assemble
  93. Cooler Fitting Connectors Disassemble
  94. Cooler Fitting Connectors Assemble
  95. Manual Detent Spring and Roller Disassemble
  96. Manual Detent Spring and Roller Assemble
  97. Electrical Connector and Manual Valve Assemble
  98. Thermo Element Adjustment
  99. 1-2 Accumulator Assemble
  100. Case Cover and Gaskets Assemble
  101. Input Shaft to Case Cover End Play Check
  102. Oil Pump Drive Shaft Assemble
  103. Auxiliary Valve Body and Oil Pump Disassemble
  104. Valve Body and Oil Pump Clean
  105. Auxiliary Valve Body Inspection
  106. Auxiliary Valve Body Disassemble
  107. Auxiliary Valve Body Assemble
  108. Control Valve Body and Oil Pump Inspection
  109. Control Valve Body Disassemble
  110. Oil Pump Shaft Bearing Disassemble
  111. Oil Pump Shaft Bearing Assemble
  112. Control Valve Body Assemble
  113. Oil Pump Rotor Thickness Check
  114. Auxiliary Valve Body and Oil Pump Assemble
  115. Checkballs, Spacer Plate, and Gaskets Assemble
  116. Valve Body and Oil Pump Assemble
  117. Torque Converter Clutch Solenoid and Wiring Harness Assemble
  118. Throttle Valve Lever and Bracket Assembly
  119. Control Valve Body Cover and Gasket Assemble
  120. Output Shaft Assemble
  121. Left Axle Seal Assembly
  122. Low/Reverse Pipe, Weir and Retainers Assemble
  123. Intermediate Servo Assemble
  124. Transmission Fluid Pan and Filter Assemble
  125. Governor Assembly Disassemble
  126. Vehicle Speed Sensor and Governor Assemble
  127. Transmission Holding Fixture Disassemble
  128. Torque Converter Inspection
  129. Torque Converter Assemble