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Old 11-05-2017, 12:54 PM   #14 (permalink)
Z_ealot
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Quote:
Originally Posted by radix023 View Post
Does the noise go away when you put the car in gear? Sometimes my car makes a similar noise when I get home (I use a carport and frequently drive with windows open, so get a lot of engine noise bounce) but it seems transmission related as it goes away when I engage the transmission. In my case I think it is a matter of the harmonics of a low rpm idle from a warm engine and the characteristics of the transmission/clutch elements.


Tapping seems to be related to oil pressure in my case as when i rev the engine there is no tapping, but as soon as it settles back down to idle where oil pressure is lower when things are warmed up it starts tapping.


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