GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • 87 92 335 Shift Linkage Lock Pin
    • J43405 Engine Support Fixture Adapter
    • J 43628 Frame Alignment Fixture
    • SA9105E Engine Support Bar Assembly
    • SA91112T Axle Seal Protector

Removal Procedure

    Caution: Refer to Vehicle Lifting Caution in the Preface section.


    Object Number: 886658  Size: SH
  1. Position the vehicle on a hoist.
  2. Remove the battery.
  3. 2.1. Disconnect the negative battery cable.
    2.2. Disconnect the positive battery cable.
    2.3. Move the fan control module. Leave the wiring connected, lift the module up and away from the bracket, and position out of the way.
    2.4. Remove the battery hold down bracket.
    2.5. Remove the battery.

    Object Number: 886877  Size: SH
  4. Disconnect the battery feed to the underhood fuse block (UHFB).
  5. Disconnect the coolant hose from the UHFB.
  6. Release the retaining tabs on the UHFB cover and remove.
  7. Release the retaining tabs (2) on the UHFB and roll the fuse block back (1) to access the electrical connectors.

  8. Object Number: 886874  Size: SH
  9. Remove the following connectors from the UHFB:
  10. 7.1. Engine 68-way (1)
    7.2. Forward lamp 68-way (2)
    7.3. I/P 68-way (3)
    7.4. Forward lamp 2-way (White) (4)
    7.5. I/P 2-way (Black) (5)
    7.6. I/P 2-way (Green) (6)
    7.7. I/P 2-way (Brown) (7)
  11. Lift the fuse block off the case.

  12. Object Number: 886875  Size: SH

    Important: There are 2 tabs that hold the hard shell grommets in place at the bottom of the grommet. Disengage the tabs to remove the grommet from the case.

  13. Remove the harnesses from the UHFB case.
  14. • Engine (A)
    • Forward Lamp (B)
    • Instrument Panel (I/P) (C)
  15. Remove the UHFB case fastener, and remove the case from the battery tray.

  16. Object Number: 886646  Size: SH
  17. Remove the battery tray fasteners and the battery tray.

  18. Object Number: 893363  Size: SH

    Important: Note the original position of the AIR components.

  19. Remove clamp from AIR. hose behind the cooling fan.
  20. Separate the AIR tube from the hose and push the tube back towards the transaxle.

  21. Object Number: 893364  Size: SH
  22. Remove the hose clip holding the 2 power steering lines together.

  23. Object Number: 895332  Size: SH
  24. Loosen the pinch bolt securing the control assembly rod to control shaft lever assembly.
  25. Notice: The control shaft lever retaining pin has a spring loaded locking feature securing the pin in place. If this spring is not depressed before attempting to remove the pin, damage to the pin will result.


    Object Number: 895346  Size: SH
  26. Remove the pin retaining control shaft lever to shift control shaft of the transaxle.
  27. Remove the retaining clips holding the control shaft lever assembly to transaxle and frame assembly brackets.
  28. Remove the control shaft lever assembly by pulling straight up off the pivot pins.

  29. Object Number: 895439  Size: SH
  30. Disconnect the back-up lamp switch electrical connector.
  31. Remove the wire harness from the transaxle.

  32. Object Number: 895462  Size: SH
  33. There is a hole on top of the transaxle that will have either a spring loaded locking pin or a hole plug.
  34. • If the hole has a spring loaded locking pin, remove it and discard. A new hole plug will be installed.
    • If the hole has a hole plug, remove it and retain for reuse.

    Object Number: 895341  Size: SH
  35. Remove the clutch hydraulic fitting from the transaxle. Elevate and secure the fitting to prevent excessive loss of brake fluid.
  36. Remove the upper transaxle-to-engine mounting bolts.

  37. Object Number: 893249  Size: SH
  38. Install the SA9105E with the adapter kit J43405 as shown.

  39. Object Number: 891639  Size: SH
  40. Mark the position of and remove the left transaxle mount bolts.

  41. Object Number: 891631  Size: SH
  42. Remove the rear transaxle mount through bolt, and transaxle mount-to-frame bolt.

  43. Object Number: 857193  Size: SH
  44. Fasten the radiator to upper radiator support.
  45. Caution: Refer to Vehicle Lifting Caution in the Preface section.

  46. Raise the vehicle on a hoist.
  47. Remove the front wheel and tire assemblies.

  48. Object Number: 894225  Size: SH
  49. Remove the right front lower splash shield.
  50. Remove the left front wheel liner push pin from the frame.

  51. Object Number: 892567  Size: SH
  52. Disconnect the rear O2 sensor connection, and remove the harness from the frame at 2 attachment points.

  53. Object Number: 892079  Size: SH
  54. Remove the O2 sensor clamp to underbody attachment nut.

  55. Object Number: 892082  Size: SH
  56. Remove the exhaust manifold pipe to exhaust manifold nuts. (Automatic shown, manual similar.)

  57. Object Number: 892067  Size: SH
  58. Remove the exhaust manifold pipe to exhaust resonator pipe bolts.
  59. Remove the exhaust manifold pipe.

  60. Object Number: 891625  Size: SH
  61. Remove the front transaxle mount through bolt.

  62. Object Number: 891635  Size: SH
  63. Remove the remaining rear transaxle mount-to-frame bolts.
  64. Remove the rear transaxle mount.

  65. Object Number: 892718  Size: SH
  66. Remove the A/C line to frame attachment clip at the front of the vehicle.

  67. Object Number: 893335  Size: SH
  68. Remove the frame-to-shifter link pivot pin clip.

  69. Object Number: 891603  Size: SH
  70. Remove the steering gear-to-frame assembly bolts. (Automatic shown, manual similar.)
  71. Using mechanics wire, secure the steering gear assembly to the body of the vehicle.

  72. Object Number: 891609  Size: SH

    Notice: Hold the ball stud from turning when removing/installing the nut. The boot can become torn and damaged if the ball stud turns.

  73. Remove the stabilizer bar links from the strut assemblies and discard the nuts.

  74. Object Number: 891570  Size: SH

    Notice: Do not attempt to separate ball studs with a wedge type separator tool because seal may be damaged.

  75. Remove the lower ball stud bolt and separate the ball stud from the steering knuckle assembly.

  76. Object Number: 891611  Size: SH
  77. Remove the suspension support assemblies.
  78. Remove the suspension support cage nuts from the body. Discard the cage nuts and support bolts. New nuts and bolts must be used for assembly.

  79. Object Number: 891923  Size: SH
  80. Using the powertrain lifting table and J 43628 , support the frame assembly.
  81. Remove the remaining 4 frame-to-body attachment fasteners.
  82. Carefully lower the frame assembly from the vehicle.
  83. Important: Discard the cage nuts and frame bolts. New nuts and bolts must be used during assembly.

  84. Remove the frame assembly cage nuts from the body.
  85. Remove the front transaxle mount from the transaxle.

  86. Object Number: 891637  Size: SH
  87. Remove the rear transaxle mount from the transaxle.

  88. Object Number: 895261  Size: SH
  89. Drain the transaxle fluid by removing the transaxle drain plug (1).

  90. Object Number: 891575  Size: SH

    Notice: To prevent damage to CV Joint boots, be careful not to allow them to contact other parts during the removal/installation process. Also, never pull on the shaft assembly.

  91. Use a pry bar to remove the axle shafts from the transaxle. Leave the axle shafts in the steering knuckles and secure the axle shafts up and out of way of the transaxle removal path.

  92. Object Number: 895486  Size: SH

    Notice: If the A/C line is not removed and lowered from the body prior to lowering the powertrain, the engine crankshaft pulley will damage the A/C line possibly causing a Freon leak to occur.

  93. Remove the A/C line retaining clips and drop the A/C line down from the body as shown.
  94. Lower vehicle.
  95. Lower the driver side of the powertrain with the SA9105E to allow the transaxle to clear the engine compartment rail.

  96. Object Number: 891646  Size: SH
  97. Remove the left transaxle mount bracket from the transaxle.
  98. Raise the vehicle.
  99. Remove the control shaft lever assembly pivot pin bracket from the transaxle case.

  100. Object Number: 895333  Size: MF
  101. Support the transaxle securely with the transmission jack.
  102. Remove the remaining engine-to-transaxle mounting bolts.
  103. Separate the transaxle from the engine and lower the transaxle from the vehicle.

Installation Procedure


    Object Number: 895333  Size: MF
  1. Securely place the transaxle on the transmission jack. Place the transaxle in any gear.
  2. Raise the transaxle into the vehicle and align the transaxle input shaft to the center of the clutch disc. Guide the transaxle into position. Rotate back and forth to align the input shaft splines to the clutch disc.
  3. Important: Make sure the input shaft splines line up with the clutch disc splines before tightening the transaxle-to-engine mounting bolts. Do not use the bolts to pull the transaxle up to the engine.

  4. Install the lower transaxle-to-engine mounting bolts.
  5. Tighten
    Tighten the transaxle-to-engine bolts to 65 N·m (48 lb ft).

  6. Remove the transmission jack.
  7. Install the control shaft lever assembly pivot pin bracket onto the transaxle case.
  8. Tighten
    Tighten the control shaft lever pivot pin bracket-to-transaxle bolts to 24 N·m (18 lb ft).


    Object Number: 895295  Size: SH
  9. Using the , insert the axle shafts into the transaxle. After the splines clear seal protector but before snapping the axle into place, remove the seal protector.
  10. Ensure the transaxle drain plug is installed in the transaxle case. If it is not installed, clean and apply sealant P/N 21485278 to the threads and install the plug.
  11. Tighten
    Tighten the transaxle drain plug to 50 N·m (37 lb ft).

  12. Lower the vehicle.
  13. Remove the transaxle fill plug from the top of the transaxle. Fill the transaxle with 2 quarts of manual transaxle lubricant P/N 21018899.
  14. Clean and apply sealant P/N 21485278 to the threads and install the transaxle fill plug.
  15. Tighten
    Tighten the exhaust manifold pipe-to-exhaust manifold nuts to 50 N·m (37 lb ft).


    Object Number: 891646  Size: SH
  16. Install the left transaxle mount bracket onto the transaxle. (Automatic shown, manual similar).
  17. Tighten
    Tighten the left transaxle mount bracket-to-transaxle bolts to 55 N·m (41 lb ft).

  18. Raise the left side of the powertrain to the correct height using the .
  19. Raise the vehicle.

  20. Object Number: 895486  Size: SH
  21. Reposition the A/C line against the body and install the A/C line retaining clips.

  22. Object Number: 891637  Size: SH
  23. Install the rear transaxle mount onto the transaxle.
  24. Tighten
    Tighten the rear transaxle mount-to-transaxle to 55 N·m(41 lb ft).


    Object Number: 891626  Size: SH
  25. Install the front transaxle mount onto the transaxle.
  26. Tighten
    Tighten the front transaxle mount-to-transaxle to 55 N·m (41 lb ft).


    Object Number: 891923  Size: SH

    Important: Be sure the frame alignment tool fully engages in all gage holes.

  27. Install the new cage nuts into the body as the torque retention of the old nuts may not be sufficient.
  28. Raise the frame assembly to the body.

  29. Object Number: 891622  Size: SH

    Important: Do not tighten the fasteners at this time.

  30. Install 4 new frame-to-body bolts.

  31. Object Number: 891611  Size: SH
  32. Install the new cage nuts into the body for suspension supports. Torque retention of the old nuts may not be sufficient.
  33. Install the suspension supports using new bolts and tighten all frame bolts.
  34. Tighten
    Tighten the frame-to-body bolts to 90 N·m (60 lb ft) + 45° to 60°.


    Object Number: 891570  Size: SH
  35. Install the ball stud into the steering knuckle.
  36. Tighten
    Tighten the ball stud into the steering knuckle to 100 N·m (74 lb ft).


    Object Number: 893335  Size: SH
  37. Install the frame-to-shifter link pivot pin clip.

  38. Object Number: 891603  Size: SH
  39. Install the steering gear-to-frame using new bolts and nuts. (Automatic shown, manual similar).
  40. Tighten
    Tighten the steering gear-to-frame 45 N·m (33 lb ft) + 90°.

  41. Install the stabilizer bar links-to-strut assemblies using new nuts.
  42. Tighten
    Tighten the stabilizer bar links-to-strut assemblies to 65 N·m (48 lb ft).

  43. Inspect the rubber boots for damage and replace the part if damaged.

  44. Object Number: 891633  Size: SH
  45. Install the rear transaxle mount.
  46. Install the rear transaxle mount-to-frame bolts.
  47. Tighten
    Tighten the rear transaxle mount-to-frame bolts to 60 N·m (44 lb ft).

  48. Install the front transaxle mount through bolt.
  49. Tighten
    Tighten the front transaxle mount through the bolt to 55 N·m(41 lb ft).


    Object Number: 892169  Size: SH
  50. Position the gasket on the manifold pipe.
  51. Position the manifold pipe into the vehicle.
  52. Important: Do not tighten the fastener at this time.

  53. Install the exhaust manifold pipe to exhaust manifold nuts.

  54. Object Number: 892067  Size: SH
  55. Install the exhaust manifold pipe to exhaust manifold nuts. (Automatic shown, manual similar).
  56. Position the gasket between the manifold pipe and resonator.
  57. Install the exhaust manifold pipe to resonator bolts and tighten.
  58. Tighten
    Tighten the exhaust manifold-to-resonator bolts to 20 N·m (15 lb ft).

  59. Tighten the exhaust manifold pipe to exhaust manifold nuts.
  60. Tighten
    Tighten the exhaust manifold pipe-to-exhaust manifold nuts to 30 N·m (22 lb ft).


    Object Number: 892718  Size: SH
  61. Attach the A/C line clip to the front of the frame assembly.

  62. Object Number: 894225  Size: SH
  63. Install the right front lower splash shield.
  64. Tighten
    Tighten the right front lower splash shield-to-frame assembly to 5 N·m (44 lb in).

  65. Install the left front wheel liner push pin to the frame.

  66. Object Number: 892079  Size: SH
  67. Install the O2 sensor clamp to the underbody attachment nut.
  68. Tighten
    Tighten the O2 sensor clamp-to-heat shield to 4 N·m (35 lb in).


    Object Number: 892567  Size: SH
  69. Connect the O2 sensor electrical connector and attach the harness to the frame.
  70. Install the wheel and tire assemblies onto the hub.
  71. Install the wheel bolts and tighten is a star pattern.
  72. 43.1. Hand tighten all 5 wheel bolts.
    43.2. Use a torque wrench to tighten the wheel bolts using a star pattern.

    Tighten
    Initial tighten the wheel bolts to 63 N·m (46 lb ft).

    43.3. Use a torque wrench to final tighten the wheel bolts using s star pattern.

    Tighten
    Final tighten the wheel bolts to 125 N·m (92 lb ft).

  73. Install the remaining rear transaxle mount-to-frame bolts.
  74. Tighten
    Tighten the rear transaxle mount-to-frame bolts to 60 N·m (44 lb ft).

  75. Install the rear transaxle mount through bolt.
  76. Tighten
    Tighten the rear transaxle mount through the bolt to 90 N·m (66 lb ft).

  77. Perform the vehicle alignment. Refer to "Alignment" in the "Alignment, Wheels and Tires" section of the Chassis Service Manual.
  78. Lower the vehicle.
  79. Install the upper transaxle-to-engine mounting bolts.
  80. Tighten
    Tighten the transaxle-to-engine bolts to 65 N·m (48 lb ft).


    Object Number: 891639  Size: SH
  81. Reference the alignment marks made during disassembly and install the left transaxle mount bolts.
  82. Tighten
    Tighten the left transaxle mount bolts to 55 N·m (41 lb ft).

  83. Remove the and the J-43405 .

  84. Object Number: 895439  Size: SH
  85. Install the back-up lamp switch electrical connector.
  86. Install the wire harness onto the transaxle.

  87. Object Number: 895346  Size: SH
  88. Install the control shaft lever assembly onto the pivot pin brackets.
  89. Install the retaining clips to hold the control shaft lever assembly to the transaxle and frame assembly brackets.
  90. Install the pin to retain the control shaft lever to shift control shaft of the transaxle.

  91. Object Number: 895537  Size: SH
  92. Rotate the transaxle shift control shaft clockwise, toward the passenger side of the vehicle, and install the into the hole in the top of the transaxle.

  93. Object Number: 895322  Size: SH
  94. Pull up the control lever assembly boot to disengage from the console.

  95. Object Number: 895436  Size: SH
  96. Move the shift lever to the 5th/Reverse Gate and use a 3/8 in. punch to hold in place.
  97. Tighten the pinch bolt securing control assembly rod to control shaft lever assembly.
  98. Tighten
    Tighten the control assembly rod-to-control lever assembly pinch bolt to 12 N·m (9 lb ft).


    Object Number: 895537  Size: SH

    Important: The spring loaded locking pin can not be reused. Install a shift lever hole plug.

  99. Remove the from the transaxle and install the shift lever hole plug.

  100. Object Number: 895341  Size: SH
  101. Install the clutch hydraulic fitting onto the transaxle.
  102. Bleed the clutch hydraulic system. Refer to "Clutch Hydraulic Bleeding" procedure in this service manual.

  103. Object Number: 893366  Size: SH
  104. Install the hose clip to the tow power steering lines.
  105. Pull the AIR tube back to the original position.

  106. Object Number: 893363  Size: SH

    Important: The clamp must be installed with the locking portion facing down.

  107. Insert the tube into the hose and install the clamp.

  108. Object Number: 893364  Size: SH
  109. Ensure the stand-off clip between the AIR tube and the wiring harness is installed correctly.

  110. Object Number: 886646  Size: SH
  111. Install the battery tray fasteners and the battery tray.
  112. Tighten
    Tighten the battery tray fasteners to 15 N·m (11 lb ft).


    Object Number: 886877  Size: SH
  113. Install the underhood fuse block (UHFB) case to battery tray and install the bolt.
  114. Tighten
    Tighten the underhood fuse block case bolt to 9 N·m (80 lb in).

  115. Install the air harness to UHFB case. The wire harness grommets have retaining tabs that lock into the case (3) when the harnesses are fully installed.
  116. Snap the fuse block onto the fuse block case hinges (1).

  117. Object Number: 886874  Size: SH
  118. Install the following connectors to the UHFB:
  119. 71.1. Engine 68 way (1)
    71.2. Forward Lamp 68 way (2)
    71.3. I/P 68 way (3)
    71.4. Forward Lamp 2 way (4)
    71.5. I/P 2 way (Black) (5)
    71.6. I/P 2 way (Green) (6)
    71.7. I/P 2 way (Brown) (7)

    Object Number: 886875  Size: SH
  120. Secure the UHFB to the fuse block case by rotating down and snapping into place.
  121. Install the UHFB cover.
  122. Install the coolant hose into place on the fuse block.
  123. Install the battery feed to the underhood fuse block.
  124. Tighten
    Tighten the battery feed cable to underhood fuse block to 16 N·m (12 lb ft).


    Object Number: 886658  Size: SH
  125. Install the battery.
  126. 76.1. Install the battery onto the battery tray.
    76.2. Install the battery hold down bracket.

    Tighten
    Tighten the battery hold down bracket fasteners to 20 N·m (15 lb ft).

    76.3. Install the fan control module by sliding down onto the battery hold bracket.

            Important: The positive battery terminal must be connected first to prevent arcing.

    76.4. Install the positive battery cable.

    Tighten
    Tighten the battery cable terminals to 17 N·m (13 lb ft).

    76.5. Install the negative battery cable.

    Tighten
    Tighten the battery cable terminals to 17 N·m (13 lb ft).