Cold driving vibrations
Thread Starter
Member
Joined: Jan 2016
Posts: 162
Likes: 8
From: Rochester NY
07 E550 4M - 11 Audi TT - 99 Expedition EB
Cold driving vibrations
Having an unusual issue where when I first start driving, I’m feeling some roughness and steering wheel vibrations. It feels like a wheel is out of balance but goes away after 2-3 minutes. The front end of the car is up right now. No side to side or up/down play in the wheels. Everything seems right suspension wise. Anyone experienced this? It’s an 07 E550 4matic.
Thread Starter
Member
Joined: Jan 2016
Posts: 162
Likes: 8
From: Rochester NY
07 E550 4M - 11 Audi TT - 99 Expedition EB
The motor mounts were definitely shot, but replacing them did not resolve this issue. I’ve also done new inner/outer tie rods, and had the car aligned and the wheels balanced. The car still feels terrible for the first minute or two of driving, and then runs/rides beautifully. I’m not sure if it’s engine or drivetrain related, but there are no codes present, and monitoring data while driving shows nothing unusual.
Any other ideas?
Any other ideas?
Thread Starter
Member
Joined: Jan 2016
Posts: 162
Likes: 8
From: Rochester NY
07 E550 4M - 11 Audi TT - 99 Expedition EB
They’re conti dws 06, inflated to around 33 psi. Load range is 99y. I don’t think that’s the issue but I will try bumping them up to 35 I guess.
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Joined: Jul 2018
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From: USA Tennessee
2008 SL550 R230, 2004 E320 W211
@rtbrjason Did you ever get this resolved? My 2004 E320 with 179K miles has similar behavior.
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C320
@rtbrjason Did you ever get this resolved? My 2004 E320 with 179K miles has similar behavior.
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Joined: Aug 2004
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From: Southern California
The motor mounts were definitely shot, but replacing them did not resolve this issue. I’ve also done new inner/outer tie rods, and had the car aligned and the wheels balanced. The car still feels terrible for the first minute or two of driving, and then runs/rides beautifully. I’m not sure if it’s engine or drivetrain related, but there are no codes present, and monitoring data while driving shows nothing unusual.
Any other ideas?
Any other ideas?
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Super Member
Joined: Aug 2004
Posts: 545
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From: Southern California
@rtbrjason Did you ever get this resolved? My 2004 E320 with 179K miles has similar behavior.
Member
Joined: Jul 2018
Posts: 171
Likes: 34
From: USA Tennessee
2008 SL550 R230, 2004 E320 W211
Replaced motor mounts and trans mount, and mine 2004 E320 (180K miles) is like a different car. What I was interpreting as running rough when cold, was simply vibrations being felt in the car (steering wheel, frame, etc.). Replacing the motor mounts made a huge difference! I ordered Lemforder mounts (engine and trans) from FCP Euro (about $140), and had a local indy shop install them ($400). I probably could have installed myself (there are some good write ups on the forum), but didn't have the time and I was happy paying local shop. It literally feels like a different car, idling and driving!
Sorry I can't be more help to those who have replaced motor mounts and still getting vibrations (did you purchase quality motor mounts (Lemforder or Corteco seems to be recommended brands), and did you do trans mount)? As others have suggested, I would look for other sources of vibration (visually engine vibrations, exhaust leaks, etc.).
Lee
Sorry I can't be more help to those who have replaced motor mounts and still getting vibrations (did you purchase quality motor mounts (Lemforder or Corteco seems to be recommended brands), and did you do trans mount)? As others have suggested, I would look for other sources of vibration (visually engine vibrations, exhaust leaks, etc.).
Lee
