M45x AWD V8-4.5L (VK45DE) (2008)
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
^
Check the surface distortion of the each exhaust manifold flange mating surface with straightedge and feeler gauge.
Limit: 0.3 mm (0.012 in)
^
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