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-   -   Engine noise (https://mercedesforum.com/forum/general-tech-5/engine-noise-12641/)

Battlecat714 Jul 4, 2006 03:40 AM

Engine noise
 
On my 95 e320, there seems to be a constant cricket noise coming from the front of the engine block, radiator, condensor area. It sounds when the car is hot, it's not so loud when idling or changing from "P" to "D," but once you're driving, either foward or reverse, it gets louder and faster (1000-3500rpm). I could deal with a one or two engine noises but this one's really obnoxious. Thanks in advance.

sleepwalker Jul 4, 2006 05:55 AM

RE: Engine noise
 
listen and pinpoint the problem.

if it goes off by praying water on the belt, then.... try to find out.

remove the belt and turn every pulley by hand. does it produce the same sound?

Battlecat714 Jul 4, 2006 06:49 AM

RE: Engine noise
 
how do I go about removing the belt?

Battlecat714 Jul 6, 2006 01:00 AM

RE: Engine noise
 
anyone know how to remove the belt?

jmang09 Jul 6, 2006 03:05 AM

RE: Engine noise
 
pdf file for belt removal:

www.blueboxpcs.com/drivebelt.pdf


hope it works for you.


j-mang

Battlecat714 Jul 6, 2006 03:44 AM

RE: Engine noise
 
perfect, thanks mangg

Battlecat714 Jul 6, 2006 03:51 AM

RE: Engine noise
 
here's a clip of the cricket http://www.youtube.com/watch?v=Y2E3Vxe5ddU]the cricket

jmang09 Jul 6, 2006 07:07 PM

RE: Engine noise
 
saw the clip....weird noise....it doesnt seem to increase with engine speed? it could be your fan clutch, or the fan itself since the noise to me seems constant. try spinning the fan with the engine off..see if you hear that weird noise. Good luck.

j-mang

Battlecat714 Jul 7, 2006 01:24 AM

RE: Engine noise
 

ORIGINAL: Battlecat714
It sounds when the car is hot, it's not so loud when idling or changing from "P" to "D," but once you're driving, either foward or reverse, it gets louder and faster (1000-3500rpm).
It does seem to increase with speed or if I lift the throttle it gets louder and faster. So i'm thinking it's the belt which should be changed every 30k miles and I don't remember the last time it was changed. Fan clutch is ok, no noise with engine off.

jmang09 Jul 7, 2006 02:35 AM

RE: Engine noise
 
have you tried the old screwdriver trick? Get a long screw driver with the engine running..put the metal end on various parts of the engine (not the moving ones of course) and your ear on the other end..if the sound gets louder then that part is usualyl the problem. I remember on my e320 there was a rickety weird sound and I did that and it turns out it was the tensioner, and the shock absorber on the tensioner that needed to be replaced along with the belt. Anyways..good luck man.


j-mang


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