G35x Sedan AWD V6-3.5L (VQ35HR) (2007)
9. Using the heated oxygen sensor wrench [SST: KV10114400 (J38365)] (C), remove air fuel ratio sensor (bank 1 and bank 2).
A: Left bank
B: Right bank
CAUTION:
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Be careful not to damage air fuel ratio sensor.
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Discard any air fuel ratio sensor which has been dropped onto a hard surface such as a concrete floor. Replace with a new sensor.
10. Remove exhaust manifold cover (upper) (right and left bank).
11. Loosen mounting nuts in the reverse order as shown in the figure to remove exhaust manifold.
NOTE: Disregard the numerical order No. 7 and 8 in removal.
A: Right bank
B: Left bank
12. Remove gaskets.
CAUTION: Cover engine openings to avoid entry of foreign materials.
INSTALLATION
Note the following, and install in the reverse order of removal.
EXHAUST MANIFOLD GASKET