GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2027017  Size: SH
  1. Clean the timing belt tensioner thread.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the timing belt tensioner (2) and tighten the NEW timing belt tensioner bolt (1) to  20 N·m (15 lb ft).