Murano AWD V6-3.5L (VQ35) (2003)
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CAUTION:
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Be careful not to damage heated oxygen sensor.
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Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 inch) onto a hard surface such as a
concrete floor; replace with a new sensor.
5. Remove the exhaust manifold covers and the three way catalyst heat shields.
6. Remove bolts in the reverse order of illustration to remove three way catalyst supports (RH and LH).
7. Remove the three way catalyst (manifold) (RH bank) and three way catalyst (manifold) (LH bank) by loosening the bolts first and then removing
the nuts.
8. Remove the exhaust manifolds.
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Loosen the nuts in the reverse order as shown.
INSPECTION AFTER REMOVAL
Surface Distortion
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Use a reliable straightedge and feeler gauge to check the flatness of the exhaust manifold mating surfaces.
Limit : 0.3 mm (0.012 inch)
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If it exceeds the limit, replace the exhaust manifold.
INSTALLATION
Installation is in the reverse order of removal paying attention to the following.
