GM Service Manual Online
For 1990-2009 cars only

Drive Belt Replacement 6.5L Drive Belt

Removal Procedure


    Object Number: 374176  Size: SH
  1. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.

  2. Object Number: 240478  Size: SH
  3. Remove the drive belt from the drive pulleys (if equipped with a single generator).

  4. Object Number: 279365  Size: SH
  5. Remove the drive belt from the drive pulleys (if equipped with dual generators).
  6. Slowly release the tension on the tensioner arm.

Installation Procedure

    Important: Refer to the Underhood Label for the proper drive belt routing graphic.


    Object Number: 240478  Size: SH
  1. Install the belt over all the pulleys except the tensioner arm (if equipped a with single generator).

  2. Object Number: 279365  Size: SH
  3. Install the drive belt over all the pulleys except the tensioner arm (if equipped a with dual generators).

  4. Object Number: 374176  Size: SH
  5. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
  6. Slowly release the tension on the tensioner arm.
  7. Confirm that the drive is properly seated in all the pulleys and is properly routed before starting the vehicle.