What is engine noise in s40 five cylinder?

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Engine noise sounds like alternator bearings were bad. Changed alternator but noise still there. Noise stops when you remove the oil filler cap. Noise starts again when you tighten oil filler cap.

Fradisch2f38db in Somerdale NJ

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Jun 26, 2017

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1 Reply

Popular Answer
pushrodon Jun 27, 2017

Engine can not breath! .. Have crankcase *breather system* checked by qualified personnel. https://repairpal.com/repair-shops

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