GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • 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

    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 7 bolts from the transaxle case side of the housing.

  11. Object Number: 513872  Size: SH
  12. Turn the transmission over.
  13. Notice: 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 .
  22. Remove the bolt from the intermediate shaft.

  23. Object Number: 658861  Size: SH
  24. Remove the actuator and tube bolts.
  25. Remove the actuator and tube.
  26. Remove the input shaft seal from 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 5 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 2 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

    Important: 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

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

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

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

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

  60. Object Number: 658881  Size: SH

    Important: Alternate the tightening of the jack screws on the J 44376 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 .

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

  67. Object Number: 658874  Size: SH
  68. Using the J 44380  (2) and the J 23907  (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  (1) and the J 44380  (2).

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

  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  (2) and the J 7079-2  (1).

  78. Object Number: 658857  Size: SH
  79. Remove the differential bearing outer race from the transmission housing using the J 44380  (2) and the J 23907  (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 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  (1) and the J 7079-2  (2).

  86. Object Number: 658864  Size: SH
  87. Remove the intermediate shaft needle bearing from the transmission housing using the J 44382  (2) and the J 23907  (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 snap ring and the input shaft bearing from the transmission housing using the J 44385  (2) and the J 8092  (1). Discard the snap ring.
  92. Remove the snap ring and the output shaft bearing from the transmission housing using the J 44385  (2) and the J 8092  (1). Discard the snap ring.