cxn613 Posted December 1, 2014 Share Posted December 1, 2014 R mack with five speed. In gears 4 and 5 around 30ish mph I have a vibration and doesn't matter if it's in gear in neutral or coasting with clutch pushed in I have this vibration. Sitting still revving motor or running in all other gears including 5th over 30mph it's smooth. Any thoughts? Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/37941-vibration/ Share on other sites More sharing options...
hatcity Posted December 1, 2014 Share Posted December 1, 2014 sounds like a driveline problem. u=joint, carrier bearing, or even wheel bearing Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment https://www.bigmacktrucks.com/topic/37941-vibration/#findComment-268829 Share on other sites More sharing options...
cxn613 Posted December 1, 2014 Author Share Posted December 1, 2014 Ok carrier bearing has some movement but didn't seem that bad. U joints are fine. Didn't check wheel bearings yet but will. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/37941-vibration/#findComment-268834 Share on other sites More sharing options...
hatcity Posted December 2, 2014 Share Posted December 2, 2014 how much is some on the carrier? at higher speeds, the carrier will bounce a lot more than slow.The carrier is not expensive, its the gettin to it part that sucksThis from experience Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment https://www.bigmacktrucks.com/topic/37941-vibration/#findComment-268856 Share on other sites More sharing options...
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