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joe 8/5/2010

1980 GMC G3500 Vandura 8 Cyl 6.6L

Transmissions & Drivetrains

roering sound when driving

when i get up to 35 or 40 mph i hear a roering sound cant tell if it is coming from the front or the back if i raise the rear end and put it in drive and get it up to that speed while in the air do you think i could get a better idea where it is coming from it is a 24 foot class c rv

1 Answer


EmilMD 8/6/2010

If it is a roaring sound with vibration, probably you have a bad Transmission mounts. If the Mounts are break or worn, the transmission will vibrate enough and create a roaring sound.


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