Important: Do not reuse the intake manifold-to-cylinder head sealing gaskets.

1. Inspect the sealing grommet on the MAP sensor. The grommet should not be torn or damaged.
2. Remove and discard the intake manifold-to-cylinder head gaskets.



3. Remove and discard the throttle body gasket.
4. Clean the intake manifold in an approved solvent.

•	Clean the intake manifold gasket sealing surfaces.

•	Clean all coolant passages of scale build up.

•	Clean all carbon from the EGR passages.

•	Clean all intake manifold ports.

•	Inspect intake manifold sealing surfaces for nicks and cracks.

Caution: Wear safety glasses in order to avoid eye damage.

•	Dry the intake manifold with compressed air.