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nissan 200sx rattling noise ~1500 rpms


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Kevin2341
New User

Mar 21, 2014, 11:33 AM

Post #1 of 4 (1785 views)
nissan 200sx rattling noise ~1500 rpms Sign In

Hey all, I noticed a rattling issue on my car a couple days back that seems to occur only when my engine is revved at around 1500 RPMs. It appears to be something that resonates at that frequency only. So far my attempts at pinpointing the source of it appear to be coming from somewhere with the engine belt. I've tried wiggling the pulleys (or whatever you call them), and all of them appear to be just fine. I also tried pouring some water on the belt to see if it fixes the noise, but nothing so far has fixed it.

Here is a video I took of the noise...
https://www.youtube.com/watch?v=cVlHFJgCtds

It ONLY happens around that RPM. My car seems to drive just fine apart from this noise, is it just a nuisance, or could this be a warning for something serious? What can I do to fix it do you all think?


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Mar 21, 2014, 5:23 PM

Post #2 of 4 (1761 views)
Re: nissan 200sx rattling noise ~1500 rpms Sign In

Can't really hear what your writing about. Too much wind noise and the coolant fan running in the background. Maybe you should swing into a repair shop and have them take a listen.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Mar 21, 2014, 5:23 PM)


Kevin2341
New User

Mar 21, 2014, 5:55 PM

Post #3 of 4 (1754 views)
Re: nissan 200sx rattling noise ~1500 rpms Sign In

I suppose it is kind of hard to hear, it's a higher pitch than the engine noise though. It sort of sounds like something rattling around. If you listen carefully at like 8 seconds, you can hear a pretty good bout of it there


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 22, 2014, 3:16 AM

Post #4 of 4 (1751 views)
Re: nissan 200sx rattling noise ~1500 rpms Sign In

Noises always tough unless witnessed in person. A common cause that makes assorted noises like your description of "rattle" is exhaust parts, particularly heat shields.


Test engine off with just a rubber hammer tapping on exhaust can even isolate what and where sometimes or apply pressure with something away from moving parts while noise heard on those suspect parts it may instantly go away and you know exactly where the source is,


T







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