GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2006 🢒 Montana SV6 - AWD 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - AF33-5 🢒 Front Carrier Sun Gear Assembly Assemble

Tools Required

J 45185 Bore Gage Set


    Object Number: 1419809 Size: SH
  1. Clean the rear internal gear and air dry.
  2. Inspect the rear internal teeth for the following:
    3. • Chips
    • Cracks
    • Excessive wear
    • Metal debris embeded in teeth
  3. Replace the rear internal gear if any of the above conditions are found.

    4. Object Number: 1419807 Size: SH
  4. Install the rear internal gear flange (547) in the rear internal gear (536).
  5. Install the rear internal gear flange retaining ring (548).

    6. Object Number: 749708 Size: SH
  6. Clean the rear sun gear (539) and air dry.
  7. Inspect the rear sun gear teeth for the following:
    8. • Chips
    • Cracks
    • Excessive wear
    • Metal debris embeded in teeth
  8. Inspect the rear sun gear bushing for scoring or excessive wear.
  9. Using J 45185 and a micrometer measure the rear sun gear bushing inner diameter. Measure in three locations and take the average.

    10. Specification
    Rear sun gear bushing: 22.200 - 22.276 mm (0.874 - 0.877 in)

  10. If the rear sun gear bushing is not within specifications or any of the above conditions are found, replace the rear sun gear.

    11. Object Number: 749703 Size: SH
  11. Clean the front carrier assembly (542) and air dry. Ensure to remove all solvent in the pinion gears.
  12. Inspect the front carrier assembly pinion teeth for the following conditions:
    13. • Chips
    • Cracks
    • Excessive wear
    • Metal debris embeded in teeth
  13. Inspect for missing washers on both sides of the pinion gears.
  14. Inspect the front carrier bushing for scoring or excessive wear.
  15. Using J 45185 and a micrometer measure the front carrier bushing inner diameter. Measure in three locations and take the average.

    16. Specification
    Front carrier bushing: 30.00 - 30.076 mm (1.181 - 1.184 in)

  16. If the front carrier bushing is not within specifications or any of the above conditions are found, replace the front carrier assembly.

    17. Object Number: 749706 Size: SH
  17. Clean the front sun gear (544) and air dry.
  18. Inspect the front sun gear teeth for the following conditions:
    19. • Chips
    • Cracks
    • Excessive wear
    • Metal debris embeded in teeth
  19. Inspect the front sun gear shaft for excessive wear or scoring at the front carrier assembly bushing area.
  20. Using J 45185 and a micrometer measure the rear sun gear bushing inner diameter. Measure in three locations and take the average.

    21. Specification
    Front sun gear bushing: 22.200 - 22.276 mm (0.874 - 0.877 in)

  21. If the front sun gear bushing is not within specifications or any of the above conditions are found, replace the front sun gear.

    22. Object Number: 749697 Size: SH
  22. Install the front sun gear (544) into the front carrier assembly (542).

    23. Object Number: 749691 Size: SH
  23. Install the front sun gear retaining ring (541) into the groove of the front sun gear (544).