Inspection Procedure
WARNING: This page is about a different variant/trim than selected.
- Inspect the manifold for the following conditions:
- Damaged gasket or sealing surfaces (1, 5)
- Loose threaded inserts or studs (2, 4)
- Debris or restrictions within the passages of the manifold
- Damaged or broken hose fittings (3, 6)
- Inspect the composite intake manifold assembly for cracks or other damage.
- Inspect the intake manifold cylinder head deck for warpage.
- Locate a straight edge across the intake manifold cylinder head deck surface.
Position the straight edge across a minimum of 2 runner port openings.
- Insert a feeler gage between the intake manifold and the straight edge.
An intake manifold with warpage in excess of 3 mm (0.118 in) over a 200 mm (7.87 in) area is warped and should be replaced.
- Locate a straight edge across the intake manifold cylinder head deck surface.