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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> ENGINE MECHANICAL - 4.8L, 5.3L, AND 6.0L (2 Of 4) >> On-Vehicle Repair Instructions >> Drive Belt Replacement - Accessory (4.8L, 5.3L, and 6.0L Engines) >> Installation Procedure

Installation Procedure

  1. Route the drive belt (1) around all the pulleys except the idler pulley.
    Fig 1: Accessory Drive Belt Routing 4.8L
    GM833370Courtesy of GENERAL MOTORS CORP.
  2. Install the breaker bar with hex-head socket to the belt tensioner bolt.
  3. Rotate the belt tensioner clockwise in order to relieve the tension on the tensioner.
  4. Install the drive belt (1) under the idler pulley.
  5. Slowly release the tension on the belt tensioner.
  6. Remove the breaker bar and socket from the belt tensioner bolt.
  7. Inspect the drive belt (1) for proper installation and alignment.
    8. Fig 2: View Of Throttle Body End Arrow & Throttle Body Attaching Stud (4.8L, 5.3L, and 6.0L Engines)
    GM832068Courtesy of GENERAL MOTORS CORP.
  8. Align the arrow (2) at the throttle body end of the duct with the throttle body attaching stud (1).
    9. Fig 3: View Of Air Cleaner Outlet Duct
    GM832066Courtesy of GENERAL MOTORS CORP.
  9. Install the air cleaner outlet duct.
  10. Connect the radiator inlet hose clip to the outlet duct.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  11. Tighten the air cleaner outlet duct clamps at the following locations:
    • The throttle body
    • The MAF/IAT sensor

      Tighten:  Tighten the clamps to 4 N.m (35 lb in).

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