Note: Do not use the intake manifold gaskets or end seals again.

1. Clean the intake manifold in an approved solvent.

•	Clean debris out of all bolt holes.

•	Clean the intake manifold gasket sealing surfaces.

•	Clean all intake manifold ports.

Warning: Refer to Safety Glasses Warning in the Preface section.




2. Dry the intake manifold with compressed air.
3. Inspect the following components:

•	The intake manifold bolt holes (1) for cracks and/or damage

•	The manifold absolute pressure (MAP) sensor sealing surface (2) for damage

•	The evaporative emission (EVAP) purge valve sealing surface (4) for damage

The purge valve bolt has a sealer that may come off during removal of the bolt. Ensure all sealant is removed from the bolt hole.

•	The intake manifold-to-cylinder head sealing surfaces (3) for damage

•	The throttle body studs (5) for damage

Replace, as necessary.

•	The throttle body mounting surface (6) for damage

•	The oil fill tube hole (7) for signs of leakage

Seal, as necessary.

•	Positive crankcase ventilation (PCV) port (8) for debris or varnish buildup