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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1619 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Drive Belt Replacement - Accessory >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Route the drive belt (1) around all the pulleys except the idler pulley.
  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.
    Fig 1: Drive Belt Routing
    G02106569Courtesy of GENERAL MOTORS CORP.
  8. Align the arrow (2) at the throttle body end of the duct with the throttle body attaching stud (1).
    Fig 2: Alignment Arrow & Throttle Body Attaching Stud
    G02106570Courtesy 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 .
  11. Tighten the air cleaner outlet duct clamp screws at the following locations:
    • The throttle body
    • The MAF/IAT sensor
      1. Tighten 
      2. Tighten the screws to 7 N.m (62 lb in).
    Fig 3: Installing Air Cleaner Outlet Duct
    G02106571Courtesy of GENERAL MOTORS CORP.
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