GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy P12 Chassis 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Drive Belt Tensioner Diagnosis

    Notice: Allowing the drive belt tensioner to snap into the free position may result in damage to the tensioner.

  1. Remove the drive belts. Refer to Drive Belt Replacement .
  2. Position a hex-head socket on the belt tensioner pulley bolt head.
  3. Move the drive belt tensioner through it's full travel.
    4. • The movement should feel smooth
    • There should be no binding
    • The tensioner should return freely
    • The pulley should turn freely and without noticeable bearing noise
  4. If any binding or bearing noise is observed, replace the tensioner. Refer to Drive Belt Tensioner Replacement .
  5. Install the drive belt. Refer to Drive Belt Replacement .