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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 (10 Of 12) >> Repair Instructions >> Accessory Drive Auxiliary Belt Replacement (Air Conditioning Compressor) >> Installation Procedure

Installation Procedure

    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.

  1. Install the accessory drive auxiliary belt following the instructions included with the accessory drive auxiliary belt.
  2. GM5116154Courtesy of GENERAL MOTORS COMPANY

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

  3. GM5116156Courtesy of GENERAL MOTORS COMPANY

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

  4. 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).

  5. GM5115929Courtesy of GENERAL MOTORS COMPANY

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

  6. GM5115932Courtesy of GENERAL MOTORS COMPANY

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

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

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

  10. GM5115454Courtesy of GENERAL MOTORS COMPANY

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

  11. GM5551440Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (3) - Install

  12. CAUTION:

    Refer to Fastener Caution .

  13. Air Cleaner Outlet Duct Clamp (2) - Tighten [ 2x ] - Fastener Specifications
  14. Positive Crankcase Ventilation Fresh Air Tube (1) - Connect - Plastic Collar Quick Connect Fitting Service
  15. GM5001375Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Bracket Bolt (1) - Install and tighten - Fastener Specifications

  16. Install engine wiring harness to air cleaner outlet duct bracket.