w124 e220 coupe - whirring grinding sound from under car - Mercedes-Benz Forum

 
LinkBack Thread Tools Display Modes
post #1 of 1 (permalink) Old 10-20-2011, 10:39 AM Thread Starter
BenzWorld Junior Member
 
ladd220's Avatar
 
Date registered: Jan 2011
Vehicle: w124 coupe E220
Location: Manchester, UK
Posts: 7
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
(Thread Starter)
w124 e220 coupe - whirring grinding sound from under car

Hi Folks,

I'm new to this forum and hope someone can help and perhaps benefit as well from this...

I have a 1996 w124 coupe. I had a problem earlier this year with a noise coming from under my car when its in DRIVE or REVERSE and the brake pedal is pressed. It sounded like a a fan or motor which needed greasing. It was very high pitched and would fade in and out randomly, but only when the car was in gear and with the brake pressed ie. when stopping at lights or at a junction. It was thought that it might be a vacuum leak causing the whistling/whirring sound. but it wasn't. The noise would occur regardless of how long the car has been running. In the summer months it went away but has now started again with the ambient temperature having dropped.

The problem has now progressed and i know how to replicate the sound.

At first the sound would only appear when the ambient temp was low. when the car was in D or R, with the brake pedal pressed.

Now, if i drive through a puddle, the water splashes upwards onto some sort of moving part or flyweel underneath the car. when this happens i get a combination of very loud grinding/screeching sounds, then a whirring, which turns into a high pitched whistle and then fades away, as if the water has gotten into something and has then been driven out by the movement. If i'm moving, the noise is minimal. The noise is at its loudest when i slow down using the brake. If i put the car into neutral, the sound stops. and will return when i selct D or R again and have the brake pedal pressed.

The sound is made regardless of whether the car has been running for a while or not.

My own thoughts are that perhaps the flywheel underneath needs greasing. with the low ambient temp, perhaps there is a build up of condensation, which caused the sound in the early days of the problem. and when water comes up from a puddle, its louder due to more water being there.

Please let me know if anyone has also experienced this before and whether they know what the problem might be. also, if there is a solution to this problem... many thanks in advance.

Ladd220
ladd220 is offline  
Sponsored Links
Advertisement
 
Reply

  Mercedes-Benz Forum > General Mercedes-Benz Forums > General Mercedes-Benz

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











  • Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
     
    Thread Tools
    Show Printable Version Show Printable Version
    Email this Page Email this Page
    Display Modes
    Linear Mode Linear Mode



    Similar Threads
    Topic Author Forum Replies Last Post
    Whirring Sound In Drive While Stopped Cumberland Racer W124 E,CE,D,TD Class 9 10-20-2011 06:30 PM
    Transmission Whirring sound benzer101 R170 SLK-Class 7 04-01-2010 12:28 PM
    1989 560sel strange whirring sound 123wagon83 W126 S,SE,SEC,SEL,SD,SDL Class 6 09-12-2008 05:38 AM
    Whirring sound... viper655rt10 W126 S,SE,SEC,SEL,SD,SDL Class 7 11-01-2007 08:12 PM
    whirring sound from front right wheel mgoldenbear W202 C-Class 4 12-08-2006 01:01 AM

    Posting Rules  
    You may post new threads
    You may post replies
    You may not post attachments
    You may not edit your posts

    BB code is On
    Smilies are On
    [IMG] code is On
    HTML code is Off
    Trackbacks are On
    Pingbacks are On
    Refbacks are On

     

    Title goes here

    close
    video goes here
    description goes here. Read Full Story
    For the best viewing experience please update your browser to Google Chrome