LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.3L) >> Diagnostic Information and Procedures >> Drive Belt Tensioner Diagnosis >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: When the engine is operating the belt tensioner arm will move. Do not replace the belt tensioner because of movement in the belt tensioner arm.
    Fig 1: Releasing Drive Belt Tension
    GM374176Courtesy of GENERAL MOTORS CORP.
    NOTE: Allowing the drive belt tensioner to snap into the free position may result in damage to the tensioner.
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Position a 3/8 inch drive wrench on the drive belt tensioner arm and rotate the arm counterclockwise.
  3. Move the drive belt tensioner through it's full travel.
    • The movement should feel smooth.
    • There should be no binding.
    • The tensioner should return freely.
  4. If any binding is observed, replace the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  5. Install the drive belt. Refer to Drive Belt Replacement .
scientia non olet · About LEMON Manuals