IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

2003 is300 oil leak (valve cover gasket already replaced)

Old 10-10-17, 12:06 PM
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is2003
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Default 2003 is300 oil leak (valve cover gasket already replaced)

My 03 is300 has 150,000+ miles I bought it knowing it had some sort of oil leak and replaced the valve cover gasket it helped somewhat but I still notice the engine is leaking oil. It seems to be coming from the front of the engine but I have no idea where. Any ideas?
Old 12-02-17, 04:31 PM
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akarilo
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If it's coming from up top it's likely a camshaft seal. Take the front cover off, start the engine and rev it a little from under the hood. The pully's will usually sling a little oil when revved if that's the culprit. Been there.
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