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#1
12-02-2014, 06:34 PM
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'93 3.9 Low Rumble from Engine
Engine is a high milage (over 150,000) one. Truck is manual transmission. Above 2000 RPMS, low rumble noise and vibrations felt through gear shift lever.
Only hear it when engine under load. Ideas? I think its worn crank bearings... 
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#2
12-02-2014, 08:02 PM
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Re: '93 3.9 Low Rumble from Engine
it could also be worn bearing in transmission or low fluid or maybe a bad u-joint that is only stressed under load. worn engine bearings usually result in a knock or thud sound not a vibration
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| The Following User Says Thank You to Crvett69 For This Useful Post: | ||
dakotadave83 (01-11-2015)
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#3
01-11-2015, 01:05 PM
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Re: '93 3.9 Low Rumble from Engine
Thank you for the reply! Was hopin it ain't the crank/cam bearings! Will check the U joints then figure out how to check the transmission bearings!
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