Driveline u-joint questions - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 09-06-2013, 12:57 PM Thread Starter
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Driveline u-joint questions

Hey guys, so the other day when towing going up a hill at 50mph i started hearing a noise. It still had great power, no loss at all. still ran great, rode smooth but there was a sort of vibrating or clunking noise. Im thinking it may be a u-joint or possibly unbalanced driveling but not sure. does this sound like it could be it? it does it without towing a trailer too. usually only when going up hills under load has to be over 35mph. could i take the front driveline out and drive it to narrow it down to that u-joint? or is that bad to do? It is a 1997 f-250 7.3l xlt 4x4 automatic. 3inch leveling kit. Thanks
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post #2 of 7 Old 09-06-2013, 02:34 PM
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get underneath and grab the u-joint (each one individually) and check for slop.

are you hubs locked in? if they are check those u joints as well

do you have a red cab, excab, excab short bed, crew cab short bed? those with carrier bearings you need to check the carrier bearing as well

94.5 F250 Reg Cab 4x4 5 speed 4.10 276000 plus miles

97 F350 Crew Cab LB 4x4 5 speed 3.55 320000 plus miles (parts truck)



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post #3 of 7 Old 09-06-2013, 06:07 PM Thread Starter
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The front driveline has a little bit of slop, not a whole lot but noticeable. The truck is an extended cab. Where are the carrier bearings located?
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post #4 of 7 Old 09-06-2013, 07:07 PM
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carrier bearing is the bearing that holds up the middle of the drive shaft

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post #5 of 7 Old 09-06-2013, 07:36 PM Thread Starter
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Went and checked the carrier bearing and tons of slop. putting my money on that being the culprit. Im going to look up videos now and see if i can tackle it myself. Anyone know any good threads on this job? Thanks for the help!
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post #6 of 7 Old 09-06-2013, 07:54 PM
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Just need a shop press so you can put the driveline upright.

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post #7 of 7 Old 09-07-2013, 07:26 AM
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I just took hammer and got the bearing off, took the rubber and shield off, tapped on the outer race while rotating it, it slid off, and to install, got some emery and cleaned the shaft, got a small blunt punch and slid it back on, the u-joints make sure you get the right ones, I got ones listed for my 95 F250, they were wrong, they were the small joints, my truck takes u-joints from a 94 F350.
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