GM Service Manual Online
For 1990-2009 cars only

In order to overhaul, follow the sequence below.

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