Nissan ENGINE - Page 29

INTAKE MANIFOLD
EM-29
< REMOVAL AND INSTALLATION >
[VQ40DE]
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• Check the surface distortion of the intake manifold mating surface
with straightedge and feeler gauge.
• If it exceeds the limit, replace intake manifold.
INSTALLATION
Installation is in the reverse order of removal. Note the following:
Intake Manifold
• If stud bolts were removed from cylinder head, install them and tighten to the specified torque.
• Tighten all nuts and bolts to the specified torque in two or more
steps in numerical order as shown.
• Adjust neutral position steering angle sensor.
• Erase CPU memory.
• Perform the "Throttle Valve Closed Position Learning" when harness connector of electric throttle control
actuator is disconnected. Refer to EC-124, "Throttle Valve Closed Position Learning"
.
• Perform the "Idle Air Volume Learning" and "Throttle Valve Closed Position Learning" when electric throttle
control actuator is replaced. Refer to EC-125, "Idle Air Volume Learning"
.
Limit : 0.1 mm (0.004 in)
PBIC0870E
Intake manifold studs : 10.8 N·m (1.1 kg-m, 8 ft-lb)
Intake manifold bolt and nuts
1st step : 7.4 N·m (0.75 kg-m, 65 in-lb)
2nd step : 29.0 N·m (3.0 kg-m, 21 ft-lb)
PBIC2879E
Revision: January 2013 2013 Xterra