GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 7079-2 Universal Driver Handle - Non-Threaded
    • J 8092 Universal Driver Handle - 3/4 in - 10
    • J 23907 Slide Hammer with Bearing Adapter
    • J 44375 Assembly Pallet
    • J 44376 Bearing Pusher/Puller
    • J 44377 Input Shaft Anti-Rotation Tool
    • J 44380 Differential Bearing Race Puller
    • J 44381 Shifter Bearing/Input and Output Bearing Remover
    • J 44382 Countershaft Needle Bearing Puller
    • J 44385 Differential Bearing Race and Seal Installer
        For equivalent regional tools, refer to Special Tools

    Object Number: 747504  Size: SH
  1. Remove the transmission filler cap.

  2. Object Number: 747503  Size: SH
  3. Remove the transmission drain plug and drain the fluid.

  4. Object Number: 679569  Size: SH
  5. Remove the shift cable bracket (4), the spacers (2), the isolators (3) and the bolt (1).

  6. Object Number: 658863  Size: SH
  7. Remove the vehicle speed sensor and bolt.

  8. Object Number: 513865  Size: SH
  9. Position the transmission, with the transaxle case side facing up, on a bench.
  10. Remove the seven bolts from the transaxle case side of the housing.

  11. Object Number: 513872  Size: SH
  12. Turn the transmission over.
  13. Caution: Puncture the seal in the center to prevent damage to the transmission.

  14. Remove the intermediate shaft seal using a suitable tool. Discard the seal.

  15. Object Number: 513875  Size: SH
  16. Remove the plastic oil guide from the intermediate shaft using a suitable tool. Discard the oil guide.

  17. Object Number: 513877  Size: SH
  18. Turn the transmission so the shifter is on top.
  19. Shift the transmission into any gear.

  20. Object Number: 634456  Size: SH
  21. Hold the input shaft with J 44377 tool .
  22. Using the appropriate tool remove the bolt from the intermediate shaft.

  23. Object Number: 881740  Size: SH
  24. Remove the actuator and tube bolts.
  25. Remove the actuator and tube.
  26. Inspect the input shaft seal for cuts, nicks, and damage. If damaged, replace the actuator.

  27. Object Number: 513880  Size: SH
  28. Shift the transmission into neutral.
  29. Remove the shifter guide bolt.

  30. Object Number: 513882  Size: SH
  31. Remove the five shifter retaining bolts.
  32. Remove the shifter.

  33. Object Number: 513914  Size: SH
  34. Remove the rear cover bolts.
  35. Remove the rear cover.
  36. Remove the oil guide.

  37. Object Number: 513921  Size: SH
  38. Shift the transmission into 4th and 5th gear using a screwdriver in an upward direction.
  39. Remove the input and output shaft bolts while holding the transmission into 4th and 5th gear with a screwdriver in an upward direction.

  40. Object Number: 513885  Size: SH
  41. Turn the transmission over and remove the remainder of the transmission housing bolts from the clutch housing side.

  42. Object Number: 513889  Size: SH

    Note: In line with the intermediate shaft, use two suitable tools to assist in the case separation.

  43. Remove the clutch housing from the transaxle case.

  44. Object Number: 513908  Size: SH
  45. Remove the roller bearing from the output shaft.

  46. Object Number: 513904  Size: SH
  47. Remove the differential from the transaxle case.

  48. Object Number: 514837  Size: SH
  49. Remove the magnet from the transaxle case.

  50. Object Number: 679562  Size: SH
  51. Slide outward and unhook the shift rod from the shift fork.

  52. Object Number: 513926  Size: SH
  53. Remove the oil tube from the transaxle case.

  54. Object Number: 634458  Size: SH

    Note: Ensure all of the shafts are in the proper slots on the holding fixture.

  55. Install the J 44375 assembly pallet onto the gear shafts and the shift forks.

  56. Object Number: 634459  Size: SH
  57. Turn the transaxle case over on the J 44375 assembly pallet .

  58. Object Number: 514888  Size: SH
  59. Remove the reverse lamp switch.

  60. Object Number: 658881  Size: SH

    Note: Alternate the tightening of the jack screws on the J 44376 pusher/puller to ensure proper removal of the transaxle case.

  61. Remove the transaxle case from the shafts using the J 44376-1, J 44376-2, and J 44376-3.

  62. Object Number: 634460  Size: SH
  63. Remove the intermediate shaft and shift fork from the input shaft, the output shaft, and the J 44375 assembly pallet .

  64. Object Number: 634461  Size: SH
  65. Remove the shift forks from the gear assemblies.
  66. Remove the remaining gear assemblies from the holding fixtures.

  67. Object Number: 658874  Size: SH
  68. Using the J 44380 race puller  (2) and the J 23907 bearing adapter  (1), remove the differential bearing outer race from the clutch housing. Discard the race.

  69. Object Number: 756689  Size: SH
  70. Remove the differential output shaft seal from the clutch housing. Discard the seal.

  71. Object Number: 658875  Size: SH
  72. Remove the output shaft bearing race and bolts from the clutch housing using the J 23907 bearing adapter  (1) and the J 44380 race puller  (2).

  73. Object Number: 658856  Size: SH
  74. Remove the input shaft bearing from the clutch housing using the J 44381 bearing remover and J 7079-2 driver handle .

  75. Object Number: 797566  Size: SH
  76. Remove the snap ring from the counter shaft bearing.
  77. Remove the counter shaft bearing from the clutch housing using the J 44381 bearing remover  (2) and the J 7079-2 driver handle  (1).

  78. Object Number: 658857  Size: SH
  79. Remove the differential bearing outer race from the transmission housing using the J 44380 race puller  (2) and the J 23907 bearing adapter  (1). Discard the race.

  80. Object Number: 658876  Size: SH
  81. Remove the differential output shaft seal from the transmission housing. Discard the seal.

  82. Object Number: 658860  Size: SH
  83. Remove the reverse lockout lever bolt (1), lever (3) and spring (2) from the transmission housing, if equipped.

  84. Object Number: 658858  Size: SH
  85. Remove the shifter bearing from the transmission housing using the J 44381 bearing remover  (1) and the J 7079-2 driver handle  (2).

  86. Object Number: 658864  Size: SH
  87. Remove the intermediate shaft needle bearing from the transmission housing using the J 44382 bearing puller  (2) and the J 23907 bearing adapter  (1).

  88. Object Number: 658859  Size: SH
  89. Remove the shift rod bushing and the shift rod from the transmission housing.

  90. Object Number: 658855  Size: SH
  91. Remove the input and output shaft bearing with snap ring from the transmission housing using the J 44385 installer  (2) and the J 8092 handle  (1).