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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Drive Belt Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Drive Belt & Tensioner (W/O A/C)
    GM869702Courtesy of GENERAL MOTORS CORP.
  1. Install a 3/8 inch drive breaker bar to the drive belt tensioner arm.
  2. Rotate the drive belt tensioner (2) counterclockwise in order to relieve tension on the belt.
  3. If equipped without air conditioning (A/C), remove the belt (1) from the pulleys and the drive belt tensioner.
    4. Fig 2: Drive Belt & Tensioner (W/ A/C)
    GM869700Courtesy of GENERAL MOTORS CORP.
  4. If equipped with A/C, remove the belt (1) from the pulleys and the drive belt tensioner.
  5. Slowly release the tension on the drive belt tensioner (2).
  6. Remove the breaker bar from the drive belt tensioner.
  7. Clean and inspect the belt surfaces of all the pulleys.
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