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95 Avalon


mabowens
06-17-2007, 10:08 PM
Cranked up a 95 Avalon today and heard a rattling noise in the engine. It appears to be coming from the upper part of the engine. Any ideas on what is causing this?

RIP
06-29-2007, 05:21 PM
Lifters, rocker arms, valve springs for a few. Not a problem if it just happens now and then. If it's a regular occurrance, change the oil and filter and see if it goes away. If not, could be low oil pressure caused by a weak pump or a bad component in the valve train. Connect a direct pressure gauge at the sender unit port to verify good pressure. Don't trust the idiot light.

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