K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998)
9. Remove the upper intake manifold bolts from the lower intake manifold (L 65 shown).
10. Remove the upper intake manifold and the gasket from the lower intake manifold.
INSTALLATION PROCEDURE
IMPORTANT: When replacing the upper intake manifold gasket for the L 56, always replace the O-ring between the upper and lower intake
manifolds. Failure to replace this O-ring will cause a driveability problem.
1. Install the upper intake manifold to the lower intake manifold.
NOTICE: Refer to Fastener Notice in Caution and Notices.
2. Install the mounting bolts.
Tighten the bolts to 42 Nm (31 ft. lbs.).
3. Install the EGR valve to the upper intake manifold.
4. Install the air intake duct to the upper intake manifold.