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. Reverse Servo Disassemble
  4. Forward Servo Disassemble
  5. Bottom Pan and Filter Disassemble
  6. Transmission Fluid Filter Inspection
  7. Accumulator Assembly and 2-1 Band Servo Removal
  8. Control Valve Body Cover and Gasket Disassemble
  9. Wiring Harness Disassemble
  10. Oil Pump Disassemble
  11. Control Valve Body and Spacer Plate Disassemble
  12. Oil Pump Drive Shaft Removal
  13. Vehicle Speed Sensor Disassemble
  14. Output Shaft Disassemble
  15. Front Differential Carrier End Play Check
  16. Manual Valve Link and Fluid Dam Removal
  17. Drive Axle Oil Seal Removal - Left Side
  18. Case Cover and Gaskets Disassemble
  19. 4th Clutch Components Disassemble
  20. Drive Link Stretch Check
  21. Drive and Driven Sprocket Components Disassemble
  22. Driven Sprocket Support Disassemble
  23. 2nd Clutch and Input Clutch Removal
  24. Reverse Band Removal
  25. Reverse Reaction Drum Removal
  26. Input Clutch Housing End Play Check
  27. Case Extension Disassemble
  28. Differential Carrier Components Disassemble
  29. Input and Reaction Carrier Disassemble
  30. Reaction Sun Gear and Manual 2-1 Band Removal
  31. 1-2 Support Drum and Forward Band Removal
  32. Differential Carrier Internal Gear Removal
  33. Park System Components Disassemble
  34. Case Assembly Inspection
  35. Case Components Disassemble
  36. Case Components Assemble
  37. Torque Converter Fluid Seal Removal
  38. Drive Sprocket Support Disassemble
  39. Drive Sprocket Support Assemble
  40. Torque Converter Fluid Seal Assemble
  41. Park System Components Assemble
  42. Differential Carrier Internal Gear Assemble
  43. Differential Carrier Inspection
  44. Differential Carrier Disassemble
  45. Differential Carrier Assemble
  46. Vehicle Speed Sensor Reluctor Wheel Disassemble
  47. Vehicle Speed Sensor Reluctor Wheel Assemble
  48. Differential Carrier Components Assemble
  49. Case Extension Assemble
  50. Forward Band Assemble
  51. 1-2 Support Roller Clutch Disassemble
  52. 1-2 Support Roller Clutch Assemble
  53. 1-2 Support Roller Clutch Functional Check
  54. 1-2 Support Drum Assemble
  55. Manual 2-1 Band Assemble
  56. Reaction Sun Gear and Drum Assemble
  57. Input and Reaction Carrier Pinion End Play Check
  58. Input and Reaction Carrier Assemble
  59. Reverse Reaction Drum Assemble
  60. Input and Third Sprag Clutches Disassemble
  61. Input and Third Sprag Clutches Assemble
  62. Input and Third Sprag Clutches Functional Check
  63. Input and 3rd Clutch Disassemble
  64. Input Clutch Housing Assembly Inspection
  65. Input Clutch Housing Ball Check Valve Disassemble
  66. Input Clutch Housing Ball Check Valve Assemble
  67. Input and 3rd Clutch Assemble
  68. Input and 3rd Clutch Functional Air Check
  69. Input Clutch Housing Fluid Seal Ring Assemble
  70. Input Clutch Housing and Sprag Clutches Assemble
  71. Input Clutch Housing End Play Check
  72. 2nd Clutch Disassemble
  73. 2nd Clutch Housing Assembly Inspection
  74. 2nd Clutch Housing Ball Check Valve Disassemble
  75. 2nd Clutch Housing Ball Check Valve Assemble
  76. 2nd Clutch Assemble
  77. Reverse Band Assemble
  78. Driven Sprocket Support Components Disassemble
  79. Driven Sprocket Support Components Inspection
  80. Driven Sprocket Support Bearing Disassemble
  81. Driven Sprocket Support Bearing Assemble
  82. Driven Sprocket Support Components Assemble
  83. 4th and 2nd Clutch Functional Air Check
  84. Second, Input, Third and Sprag Clutches Assemble
  85. Driven Sprocket Support Assemble
  86. Drive Sprocket and Turbine Shaft Disassemble
  87. Drive Sprocket and Turbine Shaft Assemble
  88. Drive and Driven Sprocket Components Assemble
  89. 4th Clutch Components Assemble
  90. Case Cover Components Disassemble
  91. Case Cover Components Inspection
  92. Case Cover Bearing Disassemble
  93. Case Cover Bearing Assemble
  94. Drive Shaft Oil Seal Assemble - Left Side
  95. Case Cover Components Assemble
  96. Case Cover and Gaskets Assemble
  97. Manual Valve Link and Fluid Dam Assemble
  98. Differential Carrier End Play Check
  99. Output Shaft Assemble
  100. Drive Shaft Oil Seal Disassemble - Right Side
  101. Drive Shaft Oil Seal Assemble - Right Side
  102. Vehicle Speed Sensor Assemble
  103. Control Valve Body Clean
  104. Control Valve Body Inspection
  105. Control Valve Body Disassemble
  106. Control Valve Body Assemble
  107. Oil Pump Drive Shaft Assemble
  108. Control Valve Body and Spacer Plate Assemble
  109. Transmission Fluid Pump Disassemble
  110. Transmission Fluid Pump Assemble
  111. Wiring Harness Assemble
  112. Case Side Cover and Gaskets Assemble
  113. Thermo Element Adjustment
  114. 2-1 Manual Band Servo Disassemble
  115. 2-1 Manual Band Servo Assemble
  116. Accumulator Components Disassemble
  117. Accumulator Components Assemble
  118. Accumulator Assembly, 2-1 Band Servo Assemble
  119. Transmission Fluid Pan and Filter Assemble
  120. Forward Band Servo Components Disassemble
  121. Forward Band Servo Assemble
  122. Reverse Band Servo Components Disassemble
  123. Reverse Band Servo Assemble
  124. Transmission Holding Fixture Disassemble
  125. Torque Converter Inspection
  126. Torque Converter Assemble