GM Service Manual Online
For 1990-2009 cars only
  1. Install the valve rocker arm cover and gasket to the cylinder head.

  2. Object Number: 736638  Size: SH
  3. Install the valve rocker arm cover bolts to the cylinder head.
  4. Start at the center bolts then work outwards.
  5. Tighten
    Tighten the valve rocker arm cover bolts to 13 N·m (113 lb in).