FX50 AWD V8-5.0L (VK50VE) (2009)
Cover engine openings to avoid entry of foreign materials.
ASSEMBLY
Note the following item, and install in the reverse order of removal.
Exhaust Manifold Gasket
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Install exhaust manifold gasket in directional shown in the figure.
Exhaust Manifold
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Tighten mounting nuts in numerical order as shown in the figure.
NOTE:
Tighten mounting nuts No. 1 to 4 in two steps. The numerical order
No. 9 to 12 shown second steps.
Air Fuel Ratio Sensor 1, Heated Oxygen Sensor 2
CAUTION:
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Before installing a new sensors, clean exhaust system threads using oxygen sensor thread cleaner
(commercial service tool: J-43897-18 or J-43897-12), and apply anti-seize lubricant (commercial service tool).
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Sensors are not reusable. Replace them with a new one after removal. When replacing them, handle with care not to impact on them.