GM Service Manual Online
For 1990-2009 cars only

    Object Number: 902836  Size: SH
  1. Remove the left secondary camshaft drive chain tensioner bolts.
  2. Remove the left secondary camshaft drive chain tensioner.

  3. Object Number: 1306386  Size: SH
  4. Remove and discard the left secondary camshaft drive chain tensioner gasket.
  5. Inspect the left secondary camshaft drive chain tensioner mounting surface on the left cylinder head for burrs or any defects that would degrade the sealing of the NEW left secondary camshaft drive chain tensioner gasket.