Noise from the engine help plz - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 04-21-2004, 10:11 AM
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when idling and driving there is a chering sound from the engine that was not there when i forst brought the car. with the windows up u can harldy notice it but from the outside u can hear it quite clearly any 1 have any ideas what it might b ?

thx

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#2 (permalink) Old 04-21-2004, 10:18 AM
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from which side? under the car or under the hood?

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#3 (permalink) Old 04-21-2004, 10:29 AM
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thx for the fast replay not 100% sure but i think its from the passenger side under the hood

hood = bonnet lol soz im from the uk and just makin sure were on about the same thing.

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#4 (permalink) Old 04-21-2004, 03:40 PM
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AC Compressor? Try turning the AC off and on, see if it stopps\resumes. Mine use to squeel like metal griding... like the bearings were shot or locked. Probably the reason why my AC dosn't work anymore.


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#5 (permalink) Old 04-21-2004, 03:58 PM
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also check out your idler pullys

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#6 (permalink) Old 04-21-2004, 05:41 PM
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this seems to be a common problem for e36's. It's the clattering noise I can't describe. I have that same sound too. Have no idea what it is. My friends bmw does it to. used

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#7 (permalink) Old 04-21-2004, 06:36 PM
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I get the same thing in my car after a big rain, or if my AC is on. Did you notice it after it rained?

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#8 (permalink) Old 04-21-2004, 06:41 PM
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It's a terrible noise to have on a such nice car! I don't hear it anymore, thank god, probably because my AC is completely shot.


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#9 (permalink) Old 04-21-2004, 08:40 PM
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I get the same noise.

I also get a sharp squeel when the car is in drive or reverse. You can still hear it when you are in park, but it's not nearly as loud. It also goes away when I give the car a bit of gas - but then the squeel is replaced by the occasional churping you described.

I beleive it's the drive pulley, but I'm not positive. All I know is they are both REALLY terrible noises that I can't wait to get rid of.

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#10 (permalink) Old 04-21-2004, 10:30 PM
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Sounds like the pulley to me, check the tensioner. You might also need a new belt.

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#11 (permalink) Old 04-22-2004, 09:45 AM
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Quote:
Originally posted by Furious@Apr 21 2004, 03:38 PM
also check out your idler pullys
I think it might b the pullys/ timing belt as thats were the sound is comming from what can i do?

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#12 (permalink) Old 04-22-2004, 10:58 AM
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Mine has the same chirp in idle...and every time I take it back to the dealership because it is under extended warranty they tell me they dont hear it. Makin' me crazy!!!!!!!! ghead

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#13 (permalink) Old 04-22-2004, 12:20 PM
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When mine is in idle, I hear a chirp noise too. I'd think it's normal!

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#14 (permalink) Old 04-22-2004, 04:18 PM
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wow, i have the same problem on my93'. it's most definatly the pulleys for ideling

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#15 (permalink) Old 04-23-2004, 11:33 AM
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I had the same problem in my old car. It was one of the pulleys just before the alternator. Usually you can just replace the pulley or lube it up and it will go away.

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