Strange vibration from front.

1998 FORD RANGER
168,000 MILES
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COBBSTEVE14
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I have a 98 ranger 4wd 3.0 5sp. When I am driving down the road at random times the truck starts vibrating like I'm running over the hum strip and it rattles kinda like the drive chain fell off in the t-case. If I engage the 4wd and turn it right back off it will go away for a few min. The front end has been re done I put manual hubs on it thinking it was those causing the trouble and the u joints are good. I've got no clue anymore what to check so any help would be awesome.
Oct 7, 2012 at 4:34 PM
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ASEMASTER6371
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did you remove the front shaft and inspect the joints?? sounds like the issue

Roy
Oct 7, 2012 at 5:09 PM
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COBBSTEVE14
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I checked them they are as tight as can be.
Oct 7, 2012 at 5:50 PM
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ASEMASTER6371
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did you remove the shaft and inspect?? tight is not good as they need to move freely.

Roy
Oct 7, 2012 at 5:55 PM
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COBBSTEVE14
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I mean the theres no play in the bearings. It feels like its trying to go into 4wd and only gets half way there. I just dont understand why when I put it in then out of 4wd it goes away and comes back.
Oct 7, 2012 at 6:41 PM