Noise from front of my GL

Mar 18, 2017 | 02:59 PM

Bhaxhiu

Thread Starter

Newbie

Joined: Mar 2017

Posts: 5

Likes: 0

GL450

Noise from front of my GL

Hi , I need help with this please. My Gl450 makes a weird noise when not pressing acelator. Doesnt mater at what speed. Press gas pedal noise is gone, release pedal noise comes back. Not sure is it transfer case or air compressor. Please help.!!!! I made a video file . It seems to me noise is like when semi brakes on downhill.

Mar 18, 2017 | 07:07 PM

Bhaxhiu

Thread Starter

Newbie

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GL450

Uploaded video on youtube under 2008 Mercedes Gl450 weird noise. Any help will be very appriciated .!!!!

Mar 18, 2017 | 10:24 PM

TX07GL450

Senior Member

Joined: Jan 2017

Posts: 254

Likes: 60

From: Houston, TX

Mercedes Benz 2007 GL450 , 2012 BMW 528i

Is transmission shifting ok at high speeds? Does sound change at stationary, low speed and high speed ?

Mar 18, 2017 | 10:33 PM

Bhaxhiu

Thread Starter

Newbie

Joined: Mar 2017

Posts: 5

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GL450

Tranny shifts ok low/high . It is a same noise on low or high speed, as soon I move my foot from acelator noise starts . Did you had chance to check my video on youtube?

Mar 18, 2017 | 10:51 PM

JR-GL350

Junior Member

Joined: Feb 2017

Posts: 35

Likes: 10

From: Montreal

GL 350 2010

Can't help you with the noise, but I will add the link to your video here. Terrible noise by the way, very strange.

Mar 18, 2017 | 10:52 PM

alx

MBWorld Fanatic!

Joined: Dec 2004

Posts: 4,268

Likes: 253

Hm.... this sounds like front or center diff to me... I would have the diffs oil changed (especially if never done) and see what comes out of there...

Last edited by alx; Mar 18, 2017 at 10:57 PM.

Mar 18, 2017 | 10:58 PM

Bhaxhiu

Thread Starter

Newbie

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GL450

Thank you for doing that. I was unable to find any threads or any videos on this noise. Thanks again.!!!!!

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Mar 19, 2017 | 01:29 AM

gl450x164

Senior Member

Joined: Aug 2014

Posts: 336

Likes: 46

gl450 530i

If def check the transfer case fluid doesnt take much of a leak to have it dry

Mar 19, 2017 | 11:50 AM

#10

DennisG01

MBWorld Fanatic!

Joined: May 2015

Posts: 1,932

Likes: 291

From: Allentown, PA

'08 GL 320 CDI

Wow, that is a really strange noise! In another circumstance, we might say it's a COOL sound

Maybe you could stop by a local garage and get it up in the air on their lift. Start the engine and put it through it's paces and, if lucky, they might be able to quickly find the culprit by following the sound or feeling for vibrations. Probably less than an hour of their time. With proper jacks, in theory, you should be able to do this at home - but I personally wouldn't feel comfortable underneath with the engine and drivetrain spinning and only having 4 jacks as my safety net.