ZDX V6-3.7L (2010)
12. Clean the camshaft bearing surfaces in the cylinder head. Measure the inside diameter of each camshaft bearing surface, and check for an
out-of-round condition.
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If the camshaft-to-holder clearance is within limits, go to step 14.
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If the camshaft-to-holder clearance is beyond the service limit and the camshaft has been replaced, replace the cylinder head.
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If the camshaft-to-holder clearance is beyond the service limit and the camshaft has not been replaced, go to step 13.
13. Check total runout with the camshaft supported on V-blocks.
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If the total runout of the camshaft is within the service limit, replace the cylinder head.
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If the total runout is beyond the service limit, replace the camshaft and recheck the oil clearance. If the oil clearance is still out of tolerance,
replace the cylinder head.