GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1451471  Size: SH
  1. Loosen the valve rocker arm bolts.
  2. Important: Place the valve train components in a rack in order to ensure that the components are installed in the same location from which they where removed.

  3. Remove the valve rocker arms.

  4. Object Number: 909602  Size: SH
  5. Remove the push rods.
  6. • The intake push rods measure 144.18 mm (5.68 in).
    • The exhaust push rods measure 152.51 mm (6.0 in).

    Object Number: 909605  Size: SH
  7. Remove the intake manifold gaskets.