GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1958807  Size: SH
  1. Remove the right secondary camshaft drive chain tensioner to cylinder block retaining bolts (1).
  2. Remove the right secondary camshaft drive chain tensioner (2).

  3. Object Number: 1961728  Size: SH

    Important: The right secondary camshaft drive chain tensioner gasket (2) must be discarded whenever the right secondary camshaft drive chain tensioner (1) has been removed from the cylinder block.

  4. Remove the right secondary camshaft drive chain tensioner gasket (1) from the right secondary camshaft drive chain tensioner (2).
  5. Discard the gasket.

  6. Inspect the right secondary camshaft drive chain tensioner mounting surface on the right cylinder head for burrs or any defects that may degrade the sealing of the NEW right secondary camshaft drive chain tensioner gasket.