Hope identifying noise
Thread Starter
Member
Joined: Apr 2018
Posts: 223
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From: Bloomington IL
2006 C55, 2004 ML350
Hope identifying noise
https://youtu.be/KsphgQvvJes
Always happens after vehicle has been driven and fully warmed up. I can't hear it while going down the road but when I am in drive with my foot on the brake (like in a Drive-Thru) I get this weird groaning noise.
Thanks
Always happens after vehicle has been driven and fully warmed up. I can't hear it while going down the road but when I am in drive with my foot on the brake (like in a Drive-Thru) I get this weird groaning noise.
Thanks
Out Of Control!!
Joined: Sep 2018
Posts: 14,679
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From: unbegrenzt
2017 GLE350 4MATIC
The video doesn't help much, sorry.
Engine/trans/exhaust mounts?
Power steering pump?
Accessory pulley?
Does it happen in park?
Does it happen in Drive with your foot on the brake?
Where is it coming from? Above? Below? Front? Back? Left? Right?
Use lots of words to describe.
You need to do some more diagnostic work.
Engine/trans/exhaust mounts?
Power steering pump?
Accessory pulley?
Does it happen in park?
Does it happen in Drive with your foot on the brake?
Where is it coming from? Above? Below? Front? Back? Left? Right?
Use lots of words to describe.
You need to do some more diagnostic work.
Thread Starter
Member
Joined: Apr 2018
Posts: 223
Likes: 16
From: Bloomington IL
2006 C55, 2004 ML350
Thanks for the reply.
Does not happen in park or neutral only when in drive and foot on the brake. Only after vehicle is warmed up. Sounds to me like it's coming from below and center, but of course because I have to have my foot on the brake to hear it I can't be sure.
I feel like it's driveline related but that's just the hunch. It goes away completely once I start moving again.
had it at the dealer for an inspection and they didn't notice anything that needed replacement other than rear springs.
Does not happen in park or neutral only when in drive and foot on the brake. Only after vehicle is warmed up. Sounds to me like it's coming from below and center, but of course because I have to have my foot on the brake to hear it I can't be sure.
I feel like it's driveline related but that's just the hunch. It goes away completely once I start moving again.
had it at the dealer for an inspection and they didn't notice anything that needed replacement other than rear springs.
Out Of Control!!
Joined: Sep 2018
Posts: 14,679
Likes: 4,578
From: unbegrenzt
2017 GLE350 4MATIC
A 16 year old vehicle - my guess is engine or transmission mounts. How many miles are on this vehicle? How long have you owned it? What service has been done on it in the previous 6 months?
Thread Starter
Member
Joined: Apr 2018
Posts: 223
Likes: 16
From: Bloomington IL
2006 C55, 2004 ML350
213k on it. Ive had it about six months, did all the fluids when I got it, but not mounts. I'll try to take a look at the mount.
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Joined: Sep 2013
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
Per CHASSIS's original reply - check all the exhaust mounting points. Make sure they are not under stress. My 2005 ML350 had a similar sounding problem after repairs for a rear end collision.
Unless you have access to a professional platform lift--> ENGINE OFF, IN PARK, WHEELS CHOCKED FRONT AND REAR AT OPPOSITE DIAGONALS <--
Mine required loosening, but not removing, the exhaust pipe at the first joint behind the engine and the other mounting points and shaking the assembly making sure it was free. Make the checks hot. The exhaust system changes size and shape more than I expected. Check for worn or hardened rubber in the mounts and check body clearances, especially where the exhaust pipe goes over the rear axle.
Unless you have access to a professional platform lift--> ENGINE OFF, IN PARK, WHEELS CHOCKED FRONT AND REAR AT OPPOSITE DIAGONALS <--
Mine required loosening, but not removing, the exhaust pipe at the first joint behind the engine and the other mounting points and shaking the assembly making sure it was free. Make the checks hot. The exhaust system changes size and shape more than I expected. Check for worn or hardened rubber in the mounts and check body clearances, especially where the exhaust pipe goes over the rear axle.
