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Home >> Cadillac >> 2017 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Automatic Transmission - 8L45 (M5N) 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 CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the NEW propeller shaft transmission seal (3) using DT-22828 Input and Countershaft Race Installer to the case extension housing.
    Fig 1: Propeller Shaft Transmission Flange Nut
    GM4011439Courtesy of GENERAL MOTORS COMPANY
  2. 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.
    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. Install the propeller shaft transmission flange (2) to the output shaft.
  4. 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.
  5. 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.
    Fig 2: Holding Fixture And Propeller Shaft Transmission Flange
    GM4011641Courtesy of GENERAL MOTORS COMPANY
  6. Remove the J-45012 Holding Fixture (3) from the propeller shaft transmission flange (2).
  7. Stake the propeller shaft transmission flange nut (1).
    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.
  8. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement (LF3, LGX) and/or Two-Piece Propeller Shaft Replacement (LT4, LTG)