GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1969114  Size: SH
  1. Using a drive tool, install a new bearing, if equipped.

  2. Object Number: 1969113  Size: SH
  3. Using locking pliers, install the bearing snap ring, if equipped.

  4. Object Number: 1969112  Size: SH
  5. Using a drive tool, if required, install a new extension oil seal.

  6. Object Number: 1969235  Size: SH
  7. Using a driving tool, install a new retaining oil seal, if required.

  8. Object Number: 1969236  Size: SH
  9. Using a drive tool or hydraulic press, install the drive shaft tapered bearing taper.

  10. Object Number: 1969237  Size: SH
  11. Install the drive shaft interior bearing roller cage.

  12. Object Number: 1969108  Size: SH
  13. Install the main shaft assembly. Fasten it to the synchronizer, lifting with the help of a cord in one hand and pushing with the other hand.

  14. Object Number: 1969106  Size: SH
  15. Install the tapered bearing race.

  16. Object Number: 1969104  Size: SH
  17. Install the drive shaft, positioning the shaft lubrication grooves with the clutch ring.

  18. Object Number: 1969238  Size: SH
  19. Install the new spacers and bearing race. Add spacers for more play and remove spacers for less play.
  20. Specification
    Axial play should be 0.025-0.127 mm (0.001-0.005 in).


    Object Number: 1969087  Size: SH
  21. Install the bearing retainer, locating the bearing retainer position to the bore holes, which are the position of the lubrication bores.
  22. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1969084  Size: SH
  23. Tighten the 4 screws.
  24. Tighten
    Tighten the screws to 16-21 N·m (12-16 lb ft).


    Object Number: 1969196  Size: SH
  25. Install the transmission over 2 supports and attach the tracking sphere.

  26. Object Number: 1969100  Size: SH
  27. Install the washer.

  28. Object Number: 1969098  Size: SH
  29. Install the 2 roller bearings and the spacer.

  30. Object Number: 1969097  Size: SH
  31. Install the 5th gear synchronizer with the fork.

  32. Object Number: 1969096  Size: SH
  33. Install the lubricated synchronization ring and the 5th gear taper.

  34. Object Number: 1969095  Size: SH
  35. Using locking pliers, install the 5th gear clutch ring.

  36. Object Number: 1969239  Size: SH
  37. Using a dial indicator, observe the axial play.

  38. Object Number: 1969093  Size: SH
  39. Install the roll pin.

  40. Object Number: 1969092  Size: SH
  41. Position the speedometer gear.

  42. Object Number: 1969090  Size: SH
  43. Install the speedometer gear tracking sphere.

  44. Object Number: 1969088  Size: SH
  45. Install the yoke spacer.

  46. Object Number: 1969192  Size: SH
  47. Install the cover.

  48. Object Number: 1969240  Size: SH
  49. Install the 2 guide screws in order to align the cover.

  50. Object Number: 1969082  Size: SH
  51. Tighten the rest of the 8 screws.
  52. Tighten
    Tighten the screws to 57-68 N·m (42-50 lb ft).


    Object Number: 1969080  Size: SH
  53. Install the main shaft yoke washer and nut.

  54. Object Number: 1969079  Size: SH
  55. Tighten the main shaft nut.
  56. Tighten
    Tighten the nut to 150-170 N·m (110-125 lb ft).


    Object Number: 1969241  Size: SH
  57. Position the transmission, and install a dial indicator in order to measure the axial play. Add spacers for more play and remove spacers for less play.
  58. Specification
    The axial play should be 0.025-0.127 mm (0.001-0.005 in).


    Object Number: 1969243  Size: SH
  59. Once you have achieved the axial play, proceed to the final assembly. Clean the bearing retainer surface and apply gasket maker.

  60. Object Number: 1969087  Size: SH
  61. Install the bearing retainer, for the final assembly.

  62. Object Number: 1969084  Size: SH
  63. Apply a Teflon® sealer to the screw threads.
  64. Install the screws and tighten.
  65. Tighten
    Tighten to 34-40 N·m (25-30  lb ft).


    Object Number: 1969244  Size: SH
  66. Once the axial play is achieved, proceed to the final assembly. Clean the cover surface and apply gasket maker.

  67. Object Number: 1969082  Size: SH
  68. Apply a Teflon® sealer to the screw threads.
  69. Install the screws and tighten.
  70. Tighten
    Tighten to 57-68 N·m (42-50 lb ft).


    Object Number: 1969080  Size: SH
  71. Install the main shaft yoke onto the main shaft.

  72. Object Number: 1969079  Size: SH
  73. Tighten the NEW main shaft nut.
  74. Tighten
    Tighten the nut to 150-170 N·m (110-125 lb ft).


    Object Number: 1969078  Size: SH
  75. Install the vehicle speed sensor, if necessary.

  76. Object Number: 1969077  Size: SH
  77. Tighten the vehicle speed sensor.
  78. Notice: Use only clean and approved transmission fluid.

  79. Add 3.5 liters (3.7 quart) of oil 1 ATF synthetic oil.