G37 Coupe V6-3.7L (VQ37VHR) (2008)
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Tighten all mounting bolts to the specified torque in two or more steps in numerical order as shown in the figure.
<---: Engine front
CAUTION:
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Install intake manifold with the marks (put on the intake manifold and the cylinder head before removal) aligned.
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Tighten mounting bolts from the outside of manifold to the inside.
1st step: 7.4 Nm (0.75 kg-m, 5 ft-lb)
2nd step and after: 25.5 Nm (2.6 kg-m, 19 ft-lb)
Inspection
INSPECTION AFTER REMOVAL
Surface Distortion
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Check the surface distortion of the intake manifold mating surface with a straightedge (A) and a feeler gauge (B).
Limit: Refer to EM-139, "Intake Manifold". See: Specifications/Service Limits and General Specifications
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If it exceeds the limit, replace intake manifold.