G35x Sedan AWD V6-3.5L (VQ35HR) (2007)
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Install exhaust manifold gasket in direction shown in the figure. (Follow same procedure for both banks.)
A: Right bank
B: Triangle press
C: Left bank
EXHAUST MANIFOLD
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If stud bolts were removed, install them and tighten to the specified torque below.
Tightening torque: Refer to Exploded View EM-32.
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Install exhaust manifold and tighten mounting bolts in numerical order as shown in the figure.
A: Right bank
B: Left bank
NOTE: Tighten nuts No. 1 and 2 in two steps. The numerical order No. 7 and 8 shows second step.
AIR FUEL RATIO SENSOR
CAUTION:
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Before installing a new air fuel ratio sensor, clean exhaust system threads using heated oxygen sensor thread cleaner tool (Commercial
Service Tool: J-43897-18 or J-43897-12) and apply anti-seize lubricant.
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Do not over torque air fuel ratio sensor. Doing so may cause damage to air fuel ratio sensor, resulting in the "MIL" coming on.
Inspection
INSPECTION AFTER REMOVAL
Surface Distortion