M45x AWD V8-4.5L (VK45DE) (2008)
b. Remove nuts on bottom of engine mounting insulator (RH), and lift up right side of engine approximately 3 cm (1.18 in) with transmission
jack.
c. Remove exhaust manifold cover (right bank).
d. Loosen nuts in the reverse order of figure to remove exhaust manifold and three way catalyst (right bank) with power tool.
A: Left bank
B: Right bank
<---: Engine front
NOTE: Disregard No. 9 to No. 12 when loosening.
12. Remove exhaust manifold gaskets.
CAUTION: Cover engine openings to avoid entry of foreign materials.
INSPECTION AFTER REMOVAL
Surface Distortion
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Check the surface distortion of the each exhaust manifold flange mating surface with straightedge and feeler gauge.
Limit: 0.3 mm (0.012 in)
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If it exceeds the limit, replace exhaust manifold and three way catalyst.
INSTALLATION
Note the following, and install in the reverse order of removal.
Exhaust Manifold Gasket