GM Service Manual Online
For 1990-2009 cars only

    Object Number: 262564  Size: SH
  1. Remove the timing belt tensioner stud.
  2. Remove the timing belt tensioner bolt (3).
  3. Remove the tensioner plate (1).
  4. Remove the tensioner spring and the spring damper.

  5. Object Number: 262559  Size: SH
  6. Inspect the timing belt tensioner for smooth rotation.