Deep growling sound and vibrations at certain speed and rpm
My E350 automatic has been doing there weird growling sounds and vibrates when the rpm reaches 2500 at relatively slow speeds (30-50 mph) especially at the 4th gear (at 3rd and 5th symptoms still present).
i tried shifting transmission to neutral when the growling and vibrations occur and magically they disappear (obviously the rpm goes down to roughly around 1500, so i don't know if the problem is from the engine or the transmission)
Am I missing something?
Thank in advance for your help.




While you're under there, check these:
https://www.mboemparts.com/oem-parts...bC12Ni1nYXM%3D
I hope I am explaining the symptoms clearly.
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I hope I am explaining the symptoms clearly.
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If the mounts have collapsed, then the engine vibration is transferred to the chassis.
They are known to go bad, and are typical replacement items at higher mileage/age.
My E350 automatic has been doing there weird growling sounds and vibrates when the rpm reaches 2500 at relatively slow speeds (30-50 mph) especially at the 4th gear (at 3rd and 5th symptoms still present).
i tried shifting transmission to neutral when the growling and vibrations occur and magically they disappear (obviously the rpm goes down to roughly around 1500, so i don't know if the problem is from the engine or the transmission)
Am I missing something?
Thank in advance for your help.


