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Installation Procedure

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    Fig 1: Drive Belt Routing & Tensioner (W/A/C) 4.3L
    GM869700Courtesy of GENERAL MOTORS CORP.
  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.
    5. Fig 2: Drive Belt Routing & Tensioner (W/O A/C) 4.3L
    GM869702Courtesy 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.
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