GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 GTO 🢒 Transmission/Transaxle 🢒 Manual Transmission - Tremec 6-Speed 🢒 Two-Piece Propeller Shaft Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the left and right exhaust mufflers. Refer to Muffler Replacement in Engine Exhaust.

    3. Object Number: 1243589 Size: SH
  3. Mark the relationship of the propeller shaft (2) to the pinion gear flange (3).
  4. Place a stand under the propeller shaft near the support bearing to support the propeller shaft.
  5. Remove the pinon flange coupling bolts (4).

    6. Object Number: 1273896 Size: SH
  6. Mark the position of the center bearing bracket in 4 places.
  7. Remove the center bearing support bolts.
  8. Slide the propeller shaft forward to disengage the differential pinon support pin.
  9. Remove the sliding yoke and the 2-piece propeller shaft assembly from the transmission.
  10. Inspect the shaft for dents or other damage. Replace, if the propeller shaft is damaged.
  11. Inspect the universal joint for smooth pivoting. If the universal joint binds or appears tight, replace the propeller shaft.

    12. Object Number: 1308659 Size: SH
  12. Inspect the sliding yoke for the following :
    13. • Scoring
    • Burrs
    • Other damage
    • If the sliding yoke surface appears scored or rough, replace the sliding yoke.
  13. Inspect the sliding yoke splines (1) for excessive wear or damage. If the splines appear worn or rounded, replace the sliding yoke.
  14. Inspect the pinion gear flange (1) for the following conditions:
    15. • Cracks
    • Distortion
    • Other damage
    • If the Pinon flange appears damaged or distorted, replace the pinon flange.
  15. Inspect the pinion support pin for distortion or other damage. If the pinion support pin is damaged, replace the differential assembly.
  16. Inspect the rubber couplings for tears, cracking, or other damage. If the rubber coupling is damaged, replace the coupling.

Installation Procedure
  1. Lubricate the sliding yoke with transmission lubricant.
  2. Install the sliding yoke to the transmission with the propeller shaft.
  3. Place the center of the propeller shaft on an adjustable stand to support the propeller shaft.
  4. Lubricate the pinion support pin with molybdenum disulfide grease, or equivalent.

    5. Object Number: 1243589 Size: SH
  5. Align the marks on the pinon flange and the propeller shaft (1) and install the propeller shaft.

    6. Notice: Refer to Fastener Notice in the Preface section.

  6. Install the propeller shaft pinon flange bolts (4).

    7. Tighten
    Using new bolts, tighten the propeller shaft pinon flange bolts to 115 N·m (85 lb ft).


    Object Number: 1273896 Size: SH
  7. Align the center support bearing bracket marks.

    8. Object Number: 1243590 Size: SH
  8. Install the propeller shaft center bearing mount bolts (2).

    9. Tighten
    Tighten the propeller shaft center bearing mount bolts evenly to 28 N·m (21 lb ft).

  9. Remove the stand from under the propeller shaft.
  10. Install the left and right exhaust mufflers. Refer to Muffler Replacement in Engine Exhaust.
  11. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.