Murano FWD V6-3.5L (VQ35DE) (2006)
Exhaust Manifold
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If stud bolts were removed, install them and tighten to the torque specified below.
Torque: 15.4 Nm (1.6 kg-m, 11 ft. lbs.)
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Tighten mounting nuts in numerical order as shown in the figure.
Three Way Catalyst Supports
1. Temporarily tighten three way catalyst support mounting bolts.
2. Tighten three way catalyst support mounting bolts to specified torque in numerical order as shown in the figure.
Air Fuel Ratio Sensor 1 and Heated Oxygen Sensor 2
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Install air fuel ratio sensor 1 and heated oxygen sensor 2 in the original position.
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Install referring the following if the installation positions cannot be identified.
Glass tube color
Air fuel ratio sensor 1: Black
Heated oxygen sensor 2: White
CAUTION:
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Before installing a new air fuel ratio sensor and a new heated oxygen sensor, clean exhaust system threads using oxygen sensor thread cleaner
(commercial service tool: J-43897-18 or J43897-12) and apply anti-seize lubricant (commercial service tool).