Altima V6-3.5L (VQ35) (2003)
Timing Chain: Service and Repair
POSITION FOR APPLYING LIQUID GASKET
Before installation, wipe off any protruding sealant.
CAUTION:
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After removing timing chain, do not turn the crankshaft and camshaft separately, or the valves will strike the pistons.
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When installing camshaft, chain tensioners, oil seals, or other sliding parts, lubricate contracting surfaces with new engine oil.
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Apply new engine oil to bolt threads and seat surfaces when installing camshaft sprockets, camshaft brackets, and crankshaft pulley
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Before disconnecting fuel hose, release fuel pressure.
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Before removing the upper oil pan, remove the crankshaft position sensor (POS).
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Be careful not to damage sensor edges.
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Do not spill engine oil or coolant on drive belts.