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Home >> Chevrolet >> 2023 >> Traverse LS, FWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Power Transfer Unit - GKN 761 >> Repair Instructions - On Vehicle >> Power Transfer Unit Case Replacement >> Installation Procedure

Installation Procedure

  1. Clean the contact surfaces between the transfer case and the transmission.
  2. GM4702659Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the power transfer unit interface O-ring seal is removed and a NEW seal is installed when the original transfer case will be re-installed.

    If necessary, install the power transfer unit interface O-ring seal (1).

  3. GM5041045Courtesy of GENERAL MOTORS COMPANY

    Support the transfer case with a suitable jack, and secure with suitable straps.

  4. Raise and align the transfer case in the correct position in relation to the transmission.
  5. Install the transfer case (2) to the transmission.
  6. CAUTION:

    Refer to Fastener Caution .

  7. Install the transfer case-to-transmission bolts (1) and tighten to 100 N.m (74 lb ft).
  8. GM5041864Courtesy of GENERAL MOTORS COMPANY

    Connect the transfer case vent hose (1) to the transfer case (2).

  9. GM5041039Courtesy of GENERAL MOTORS COMPANY

    Install the transfer case-to-transmission bolt (1) and tighten to 100 N.m (74 lb ft).

  10. GM4870059Courtesy of GENERAL MOTORS COMPANY

    Install the transmission to transfer case bolt (1) and tighten to 100 N.m (74 lb ft).

  11. GM4734796Courtesy of GENERAL MOTORS COMPANY

    Install the brace bolt (1) and tighten to 100 N.m (74 lb ft).

  12. Connect the shift actuator electrical connector.
  13. Install the transfer case bracket. Transfer Case Bracket Replacement 
  14. Install the transmission mount strut bracket. Transmission Mount Strut Bracket Replacement (All Wheel Drive)
  15. GM4707737Courtesy of GENERAL MOTORS COMPANY

    Install the front transmission mount through bolt. Transmission Mount Replacement (Front)

  16. Install the exhaust front muffler. Exhaust Front Muffler with Exhaust Aftertreatment Replacement (LFY)
  17. Connect the two piece propeller shaft from the transfer case. Two-Piece Propeller Shaft Replacement
  18. Check power transfer case fluid level. Refer to Approximate Fluid Capacities , and Adhesives, Fluids, Lubricants, and Sealers .
  19. Fill and inspect the transmission fluid level. Transmission Fluid Drain and Fill