GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • EN-48253 Accessory Belt Remover/Installer
    • EN-48300 Tensioner Remover/Installer
    • EN-48952 Tensioner Spring Holding Pin

Removal Procedure


    Object Number: 1863844  Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Raise and suitably support the vehicle.
  3. Remove the right front wheel. Refer to Tire and Wheel Removal and Installation .
  4. Remove the engine front shield at the position of right front wheel.

  5. Object Number: 1822514  Size: SH
  6. Install the EN-48253 onto the tensioner lever guide and rotate the tensioner at clockwise.
  7. Rotate the tensioner fully and simultaneously insert EN-48952 to the tensioner pin hole.

  8. Object Number: 1821742  Size: SH
  9. Remove the accessory belt.

Installation Procedure


    Object Number: 1822522  Size: SH
  1. Install the accessory belt.

  2. Object Number: 1822525  Size: SH
  3. Install the EN-48253 to the tension lever guide and rotate the tensioner counterclockwise.
  4. Notice: Refer to Fastener Notice in the Preface section.

    Important: The tensioner dowel pin (1) is inserted into the tensioner dowel pin hole (2).

  5. Install the tensioner using EN-48300 .
  6. Tighten
    Tighten the tensioner retaining bolt to 48 N·m (35.4 lb ft).

  7. Remove EN-48952 using EN-48253 .
  8. Install the right front engine shield.
  9. Install the right front tire.
  10. Lower the vehicle.
  11. Install the engine cover. Refer to Engine Cover Replacement .