M35x AWD V6-3.5L (VQ35DE) (2007)
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Check the surface distortion of the intake manifold mating surface with a straightedge and a feeler gauge.
Limit: 0.1 mm (0.004 in)
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If it exceeds the limit, replace intake manifold.
INSTALLATION
Note the following, and install in the reverse order of removal.
Intake Manifold
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If stud bolts were removed, install them and tighten to the specified torque below.
Torque: 10.8 Nm (1.1 kg-m, 8 ft-lb)
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Tighten all mounting bolts and nuts to the specified torque in two or more steps in numerical order shown in the figure.
1st step: 7.4 Nm (0.75 kg-m, 5 ft-lb)
2nd step and after: 29.0 Nm (3.0 kg-m, 21 ft-lb)