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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Drive Belt Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Route the belt (1) around all the pulleys except the flat idler pulley.
  2. Install a 3/8 inch drive breaker bar to the drive belt tensioner arm.
  3. Rotate the belt tensioner (2) counterclockwise in order to relieve the tension on the tensioner.
  4. If equipped with A/C, install the belt under the flat idler pulley.
    Fig 1: Drive Belt Routing & Tensioner
    G02105711Courtesy of GENERAL MOTORS CORP.
  5. If equipped without A/C, install the belt (1) to the pulleys and the drive belt tensioner.
  6. Slowly release the tension on the belt tensioner (2).
  7. Remove the breaker bar from the drive belt tensioner.
  8. Inspect the drive belt for proper installation and alignment.
    Fig 2: Drive Belt Routing
    G02105713Courtesy of GENERAL MOTORS CORP.
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