XL-7 2WD V6-3.6L (2007)
4. Inspect the upper intake manifold sealing surface for warpage.
a. Locate a straight edge across the upper-to-lower intake manifold sealing surface.
b. Insert a feeler gage between the upper intake manifold and the straight edge. An upper intake manifold with warpage in excess of 0.05 mm
(0.020 in) must be replaced.
5. Repair or replace the upper intake manifold as necessary.
Lower Intake Manifold Cleaning Procedure
1. Remove any remaining gasket and/or gasket material from the following:
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Upper-to-lower intake manifold sealing surface
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Cylinder head-to-lower intake manifold sealing surface
2. Clean the following intake manifold areas in solvent.
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Intake manifold gasket sealing surfaces
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Intake manifold passages
WARNING: Refer to [Safety Glasses Caution].
3. Dry the intake manifold with compressed air.
Inspection Procedure
1. Inspect the lower intake manifold for the following conditions:
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Damage, debris or restrictions to the lower intake manifold ports
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Damage to the fuel rail mounting bolt holes
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Damage to the fuel rail
