GM Service Manual Online
For 1990-2009 cars only

    Object Number: 262535  Size: SH
  1. Remove the eight bolts and the one nut which secure the timing belt cover.
  2. Remove the timing belt cover (12).

  3. Object Number: 262565  Size: SH

    Important: Before removing the timing belt, align the upper timing marks and the lower timing marks by turning the crankshaft.

  4. Align the upper timing marks (1,2).

  5. Object Number: 262566  Size: SH
  6. Align the lower timing mark on the oil pump cover (1) and on the lower timing belt sprocket (2).

  7. Object Number: 177859  Size: SH
  8. Loosen the timing belt tensioner bolt (2) and the stud (1).

  9. Object Number: 177852  Size: SH
  10. After lifting the tensioner plate (1) with your finger, remove the belt from the crankshaft timing belt pulley and from the camshaft timing belt pulley