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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 5 Of 12) >> Repair Instructions >> Crankshaft Balancer Replacement (with RC1) >> Installation Procedure

Installation Procedure

  1. GM5607186Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • For proper orientation, note the installation direction of the crankshaft front oil seal. The crankshaft front oil seal is a reverse-lip design. Install with "THIS SIDE OUT" displayed as shown.
    • Do NOT lubricate the crankshaft front oil seal sealing surface.

    Install the EN-41478-A  Crankshaft Front Oil Seal Installer (1) to the EN-51091  Crankshaft Front Oil Seal Installer (2).

  2. Install the NEW crankshaft front oil seal (3) with "THIS SIDE OUT" facing away from the engine to the EN-51091  Crankshaft Front Oil Seal Installer (2).
  3. Install the EN-41478-A  Crankshaft Front Oil Seal Installer (1) and the EN-51091  Crankshaft Front Oil Seal Installer (2) into the crankshaft.
  4. Rotate the EN-51091  Crankshaft Front Oil Seal Installer (2) clockwise until the NEW crankshaft front oil seal (3) enters the engine front cover and seats into the bottom of the engine front cover.
  5. Remove the EN-41478-A  Crankshaft Front Oil Seal Installer (1) and the EN-51091  Crankshaft Front Oil Seal Installer (2) from the crankshaft and engine front cover.
  6. Inspect the crankshaft front oil seal for proper installation. The crankshaft front oil seal should be installed evenly and completely into the engine front cover.
  7. GM5584621Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Balancer (1) - Loosely install

  8. GM5584620Courtesy of GENERAL MOTORS COMPANY

    Install the EN-41478-A  Crankshaft Front Oil Seal Installer (3) and the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2) to the crankshaft.

  9. Using the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2) properly seat the crankshaft balancer (1).
  10. Remove the EN-41478-A  Crankshaft Front Oil Seal Installer (3) and the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2).
  11. GM5582554Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The balancer holding kit (1) should be assembled as it is installed on the crankshaft balancer (3).
    • Some components not shown for graphic clarity.

    Install the EN-52287  Balancer Holding Kit (1) and the EN-956-1  Extension Bar (2) to the crankshaft balancer (3).

  12. GM5582462Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Crankshaft Balancer Bolt (1) - Install NEW and tighten - Fastener Specifications

  13. Remove the EN-52287  Balancer Holding Kit (3) and the EN-956-1  Extension Bar (4) from the crankshaft balancer (2).
    14. NOTE:
    • The OEM replacement stretchy accessory drive auxiliary belt is packaged with a disposable installation tool and installation instructions.
    • Some components not shown for graphic clarity.
  14. Install the accessory drive auxiliary belt following the instructions included with the accessory drive auxiliary belt.
  15. GM5116154Courtesy of GENERAL MOTORS COMPANY

    Inspect the accessory drive auxiliary belt (1) for proper installation and alignment.

  16. GM5116156Courtesy of GENERAL MOTORS COMPANY

    Rotate the crankshaft balancer (1) an additional 360 degrees to ensure proper accessory drive auxiliary belt installation.

  17. GM5523120Courtesy of GENERAL MOTORS COMPANY

    Position the accessory drive primary belt (4) on the belt idler pulley (2), fan and water pump pulley (3) and generator (1).

  18. GM5115929Courtesy of GENERAL MOTORS COMPANY

    Install the EN-51767-2  Universal Stretchy Belt Installer (1) onto the crankshaft balancer.

  19. GM5115932Courtesy of GENERAL MOTORS COMPANY

    Position the accessory drive primary belt (2) on the crankshaft balancer.

  20. Slowly rotate the crankshaft balancer in a clockwise direction until the accessory drive primary belt (2) fully seats on the crankshaft balancer.
  21. Remove the EN-51767-2  Universal Stretchy Belt Installer (1) from the crankshaft balancer.
  22. GM5115452Courtesy of GENERAL MOTORS COMPANY

    Inspect the accessory drive primary belt (1) for proper installation and alignment.

  23. GM5115454Courtesy of GENERAL MOTORS COMPANY

    Rotate the crankshaft balancer (1) and additional 360 degrees to ensure proper accessory drive primary belt installation.

  24. GM5512332Courtesy of GENERAL MOTORS COMPANY

    Underbody Skid Shield (3) - Install

  25. Underbody Splash Shield Bolt (2) - Install and tighten [ 2x ] - Fastener Specifications
  26. GM5512311Courtesy of GENERAL MOTORS COMPANY

    Underbody Splash Shield (1) - Install

  27. GM5512320Courtesy of GENERAL MOTORS COMPANY

    Underbody Splash Shield Bolt (1) - Install and tighten [ 4x ]

  28. Underbody Splash Shield Bolt (2) - Install and tighten [ 4x ] - Fastener Specifications
  29. Remove the support and lower the vehicle.
  30. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  31. Perform the crankshaft position variation learn procedure. Crankshaft Position Variation Learn
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