High pitch squeal

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s13ragtopkid
Posts: 31
Joined: Fri Apr 18, 2003 11:37 am

Post

hey all,towards the middle of winter, with consistent below freezing temps, i started to notice a high pitch squeal when i hit the 3500-4500 rpm range. my first thought was obviously check my belts, but they were all in order and looked fine. so i was wondering what you guys thought it could be. thanks.

joe


v19312
Posts: 16
Joined: Sat Aug 23, 2003 10:47 am

Post

You have to be a little more specific:

- Where did the squeel seem to be comming from? - Can you feel anything happenning while it's making the noise? - Does it sound electrical or does sound mechanical?

If you try to be more detailed it's more likely that someone here can help you out.

l2andom
Posts: 279
Joined: Tue Feb 03, 2004 5:29 pm

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hmmm.. my sisters 240 squeals also. its like afer start up it squeals if you turn too many things on ( defrost front and back, inside light, headlights ).. and driving like 1st-2nd gear also. It sounds mechanical.

was wondering if it might be the same?

xxtrizz
Posts: 525
Joined: Wed Oct 22, 2003 11:47 pm
Car: Cars, computers

Post

Well if it was the belts you would obviously know the squeal is unmistakenable. You ever seen a big *** POS rolling down the street screechin'? That is a belt.

But A different squeal is hard to decipher without knowing what specificaly it sounds like. And where the sound eminates from specifically also.

s13ragtopkid
Posts: 31
Joined: Fri Apr 18, 2003 11:37 am

Post

the sound comes from in front of the actual engine block i think, and around 3000 rpms you start to hear like a roar and then at 3500-4000 you hear just a screech, like i wanna say like metal rotating fast in metal, but kinda, and theres no vibration or performance hit when it happens, and it happens all the time. i dont know if its a lube issue or what.

leper421
Posts: 375
Joined: Wed Sep 18, 2002 2:11 pm
Car: Current: 2011 370z
Previous: 2003 350z, 1991 240sx

Post

Water pump bearings? Just a guess.


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