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Fuel Pump Noise????

Old Aug 12, 2004 | 12:01 PM
  #21 (permalink)  
AZ Outlaws's Avatar
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Originally Posted by HDDP
BUT I DID HEAR MY REAR END ONCE...
Only once, that's hard to believe... :P
 
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Old Aug 12, 2004 | 12:10 PM
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I hear mine every time I eat at Taco Bell... :lol:
 
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Old Aug 12, 2004 | 01:12 PM
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AZ,
How many miles on the car? Could it be that you are hearing some noise induced by treadwear on the tires? Just a thought.
 
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Old Aug 12, 2004 | 01:12 PM
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This thread went from a noisy fuel pump to excess body flatulence from Mexican food in under two pages!!!

I would never have believed it was possible......

All we need now is a picture of a Crossfire blowing around the room from too much "South Of The Border" fuel, and this thread will be complete!

Please don't do it!!! I was just talking (writing) out loud.

:-)
 
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Old Aug 12, 2004 | 01:14 PM
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LOL.... :lol:
 
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Old Aug 12, 2004 | 01:41 PM
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Gonna put in my two cents here, too. I have bought, driven and sold 5 brand new Mercedes Benz vehicles in the last 5 years. I guess that would qualify them as being of recent vintage and perhaps qualify me as being somewhat familiar with the product offering. Two of them were SLK's, the basis for our car. I typically drive in excess of 34K miles a year in commute and sales work. I have never heard as much as a squeak from any MB rear ends. All of them saw typical Colorado weather from 90 degree summer days to snow packed streets in the fall and Winter and even the Spring some years. I hate to read broad generalizations in the forum because they don't add to the general air of assistance or comraderie here, but where does a person get off blasting an entire marque because he had a problem with an old model? There is an old proverb that goes something like this:
It is better to remain silent and be thought ignorant than to open your mouth (or use your keyboard) and remove all doubt. :lol: I am going to quit typing this now, because the next part would add little value to this thread and the poster to whom this is truly directed might not understand it anyways.
 
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Old Aug 12, 2004 | 01:53 PM
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Originally Posted by cwdilg
It is better to remain silent and be thought ignorant than to open your mouth (or use your keyboard) and remove all doubt. :lol: I am going to quit typing this now, because the next part would add little value to this thread and the poster to whom this is truly directed might not understand it anyways.
Well Said Chris!!!!!!

EDITED to have the right name. Sorry Chris - I KNOW BETTER!!! (Fingers going too fast - that's my excuse!)
 
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Old Aug 12, 2004 | 02:02 PM
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You can call me Chris. :lol: The C is misleading.
 
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Old Aug 12, 2004 | 03:02 PM
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Getting back on track here... :wink:

Originally Posted by David Burns
Reminds me of another thread where someone was talking about having the entire rear end replaced due to noise at speed. You might try to track down that thread AZ...
Thanks... been trying to track that down and the one with the article about a noisy fuel pump on the 320's.
 
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Old Aug 12, 2004 | 03:19 PM
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Originally Posted by AZ Outlaws
Getting back on track here... :wink:

Originally Posted by David Burns
Reminds me of another thread where someone was talking about having the entire rear end replaced due to noise at speed. You might try to track down that thread AZ...
Thanks... been trying to track that down and the one with the article about a noisy fuel pump on the 320's.
Well, I haven't eaten at Taco Bell today, but the noisy fuel pump info for SLK's can be found here: http://www.slk32.com/pages/fuelthump/fuelthump.html
 
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Old Aug 12, 2004 | 03:19 PM
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One thread called Popping Noise talked about the fuel regeneration solenoid for evaporative emission system. There was a really good reply on there on possible noise emitters.
 
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Old Aug 12, 2004 | 03:41 PM
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Yep, I was the author of that thread and that is the article I was looking for.... seems it addresses a different issue. Thanks anyway....
 
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Old Aug 12, 2004 | 04:15 PM
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OH MY... how did I miss this thread!!!

AZ - I know EXACTLY what you are talking about - because I have the same noise in my xfire!!!

Humming noise coming from the rear - I notice it around 70mph or so. I thought it was potentially wind noise from the spoiler - like maybe 70mph was the resonant frequency or something.

As soon as I turn of the cruise control or let off the gas the noise stops. Step back on the gas or turn the cruise control back on... there it is.

On long trips I actually find myself humming along with it. Insanity is slowly setting on....
 
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Old Aug 12, 2004 | 04:29 PM
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Yep, that's it... very annoying to an old guy.
 
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Old Aug 12, 2004 | 04:51 PM
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Originally Posted by AZ Outlaws
Yep, that's it... very annoying to an old guy.
LOL - it sure is annoying. I can hear mine over the radio - probably because I'm listening for it.

I don't remember hearing this noise when I first got the car...
 
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Old Aug 12, 2004 | 09:09 PM
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Ok... stopped by my dealer on the way home. Brought up the rear humming sound to my service rep.

I couldn't believe his answer.... he asked me if I noticed the humming only when I had a passenger... and suggested that I was "overweight."

Apparently the max weight rating of the passenger compartment is 415lbs. Which is something I didn't know... but STILL!!!!

It was kinda balsey of him to imply I was over the max with a passenger in the car.

Now that I'm done ranting.... and I think back on it... I usually notice it when there is someone else in the car to complain to...
 
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Old Aug 12, 2004 | 09:25 PM
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The payload inside my car has no bearing on the noise... I hear it with or without a passenger in the car. I hope you slapped the idiot for making your size an issue.
 
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Old Aug 12, 2004 | 09:40 PM
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Hmmm 415 lb total wt capacity !On the doorjam!Hmmm
 
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Old Aug 12, 2004 | 10:32 PM
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HeyTD, Good Luck with the DC service guy I'd try an M.B. store.They have more experience with the RE.
 
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Old Aug 12, 2004 | 11:13 PM
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Originally Posted by Dan Root
Hey AZ. that's not a humm it's a moannnnnnnn!! !!Or could be dragging something hah.As for you other A-holes I can't say.Good Luck hahaha..Oooooooooaaaaaaaaaaacccccccchhhhhhh.
Please Dan, start taking your lithium again.
 
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