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  #1  
Old 10-16-2006, 04:00 AM
iwrock's Avatar
roflmonster
 
Join Date: Nov 2003
Location: Hella NorCal
Posts: 3,313
Odd Sound from cam area...

I need some help!

I was on my way home today from the bay area in the 88 300TE, and started to notice a funny noise coming from my motor when I was going about 80mph. It disappeared when I went to WOT and disappeared wen I took my foot off the gas. Anywhere inbetween there was noise.

Anyways, I got back home, and parked it, and put it into park. I was getting my stuff together and noticed the sound was prominent. Well, I popped the hood, and looked around, and opened the oil cap. Heard the noise a bit more distinctly. It sounds like a plunger type of noise.

Also, the car runs silky smooth, and there are no excessive vibrations. Just this wierd damn noise... Anyone have an idea? I have no tools (I am away at school), and am very worried about my baby.


Anyways, please help me, and THANKS in advance!


-Justin.

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.
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  #2  
Old 10-16-2006, 06:44 AM
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Join Date: Aug 2002
Location: Southeastern PA
Posts: 3,077
Justin, it may be a malfunctioning timing chain tensioner. I'd have a qualified independent tech or a MB dealer diagnose the source of the noise.
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Fred Hoelzle
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  #3  
Old 10-16-2006, 10:45 AM
iwrock's Avatar
roflmonster
 
Join Date: Nov 2003
Location: Hella NorCal
Posts: 3,313
It sounds like its coming from the 3rd or 4th cylinder.


Thanks again!
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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.
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  #4  
Old 10-16-2006, 04:20 PM
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Join Date: Mar 2001
Location: Evansville WI
Posts: 9,616
Like a ticking noise (like an old watch)? Not sure what a plunger type of noise is. Trying to be helpful, just can't put a finger on what that noise would be. Is it possible to post a sound byte here?
Gilly
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  #5  
Old 10-16-2006, 04:40 PM
iwrock's Avatar
roflmonster
 
Join Date: Nov 2003
Location: Hella NorCal
Posts: 3,313
Gilly, I found another thread.

http://www.peachparts.com/shopforum/tech-help/158822-w201-m103-diagnosis-needed-post1304985.html?posted=1#post1304985

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-Justin

91 560 SEC AMG - other dogs dd
01 Honda S2000 - dogs dd
07 MB ML320 CDI - dd
16 Lexus IS250 - wifes dd

it's automatic.
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