Titan 4WD V8-5.6L (VK56DE) Flex Fuel (2009)
Assembly.
c. Remove the exhaust manifold cover.
d. Loosen the nuts in reverse order of illustration (B) using power tool.
e. Remove the exhaust studs from positions 2, 4, 6, 8 and remove exhaust manifold (RH).
INSPECTION AFTER REMOVAL
Surface Distortion
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Check the flatness of each exhaust manifold flange surface using suitable tools.
Flatness limit : 0.3 mm (0.012 in)
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If measurement exceeds the limit, replace the exhaust manifold.
INSTALLATION
Installation is in the reverse order of removal.
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Install new exhaust manifold gasket with the top of the triangular up mark on it facing up and its coated face (gray side) toward the exhaust
manifold side.
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Tighten the exhaust manifold nuts in the numerical order shown.
Then recheck the torque of the nuts both (A) and (B).
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A: Exhaust manifold LH
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B: Exhaust manifold RH
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Arrow indicates Front
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Before installing new air fuel ration A/F sensors, clean the exhaust system threads using Tool and apply antiseize lubricant.