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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Propeller Shaft Transmission Flange Fluid Seal Replacement (Rear Wheel Drive) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Propeller Shaft Transmission Flange Nut
    GM4011439Courtesy of GENERAL MOTORS COMPANY
  1. Install the NEW propeller shaft transmission seal (3) using DT-22828   Input and Countershaft Race Installer to the case extension housing.
  2. NOTE:

    The output shaft splines must be thoroughly clean and dry before installing the flange.

    NOTE:
    • When repairing low speed and garage shift clunk - except for moving the vehicle from the hoist, do not operate the vehicle above 5 m.p.h. at light throttle for 24 hours to allow the adhesive to cure.
    • If the replacement flange contains a pre-applied adhesive patch, then liquid adhesive is not required and the 24 hour cure time is not necessary.
  3. Apply adhesive across the width of the flange splines. Refer to Adhesives, Fluids, Lubricants, and Sealers . However, if the replacement flange contains a pre-applied adhesive patch, then liquid adhesive is not required and the 24 hour cure time is not necessary.
  4. Install the propeller shaft transmission flange (2) to the output shaft.
  5. Sufficient application of adhesive to every tooth on the flange will leave excess adhesive on the output shaft after installation. If no excess is observed, reapply adhesive.
  6. Fig 2: Holding Fixture And Propeller Shaft Transmission Flange
    GM4011641Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The output shaft nut threads must be thoroughly clean and dry before installing the flange.

    CAUTION:

    Refer to Fastener Caution .

  7. Apply adhesive across the width of the nut threads prior to tightening and staking. Refer to Adhesives, Fluids, Lubricants, and Sealers . However, if the replacement nut contains a pre-applied adhesive patch, then liquid adhesive is not required.

    Install the NEW propeller shaft transmission flange nut (1) and tighten to 105 N.m (77 lb ft).

  8. Remove the J-45012  Holding Fixture (3) from the propeller shaft transmission flange (2).
  9. CAUTION:

    Stake the flange nut onto the output shaft. Use the two staking grooves on the shaft to locate the staking points. Failure to stake the flange nut may result in damage to the transmission.

  10. Stake the propeller shaft transmission flange nut (1).
  11. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement (LTG, LGX, LCV)Two-Piece Propeller Shaft Replacement (LF4) .