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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions >> Vacuum Pump Belt Replacement >> Installation Procedure

Installation Procedure

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  1. GM4622965Courtesy of GENERAL MOTORS COMPANY

    Install EN-51767-2  Universal Stretchy Belt Installer (1) onto the vacuum pump pulley.

  2. GM4622968Courtesy of GENERAL MOTORS COMPANY

    Position the belt (2) on the crankshaft and the vacuum pump pulleys as shown.

  3. Slowly rotate the crankshaft and vacuum pump pulleys in a counterclockwise direction until the belt (2) fully seats on both pulleys.
  4. Remove EN-51767-2  Universal Stretchy Belt Installer (1) from the vacuum pump pulley.
  5. Inspect the belt for proper installation and alignment.
  6. Rotate the balancer an additional 360 degrees to ensure proper belt installation.
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