How hard to change rear U joints? - Ford Powerstroke Diesel Forum
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Old 06-13-2013, 06:54 PM
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How hard to change rear U joints?

Just as the title says, are there any tips/tricks to doing this?
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Old 06-13-2013, 09:45 PM
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Get a deep throat socket that will fit just inside the joint. Pull the shaft off, marking how it was originally installed. Then, sit the shaft on a piece of wood supporting either side of the joint, insert socket after removing retaining clips. Take a 5 lb shop hammer and solidly whack the socket to drive the other side out. Then flip and insert a smaller socket to fit the inside part. Drive it back out the other direction. Do this on both sides.

After you get the joint removed, get your new ones and pull the caps with the needle bearings off. Be very careful not to lose a needle while doing this. Apple some heavy bearing grease to the inside on the needles to hold them in place. Now put one cap back on and insert it into the cups. Use the smaller socket to drive it in a little ways. Put the retainer clip in and finish driving it lightly until it bottoms out. Be firm but don't hit it too hard and damage the clip. Now the final trick is to put the other cap into the cup from the outside. This is where you need to make sure you don't lose a needle. Flip the joint so the cup is on the bottom and the cap opening is vertical and facing up towards you. Gently tap the joint with the cap on the wood so the force drives it into the cup slowly, making sure to center the four point star inside. Once it is inserted slightly into the needle area, flip it and drive it in, again slowly. You want to only drive it into the cup enough the get retaining clip on. Too far, and they'll be tight and wearing fast.
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Old 06-13-2013, 09:47 PM
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YouTube is also your friend.
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Old 06-14-2013, 02:59 AM
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Easy if you have a press, if not it will be a good bit more work using socket, wood, and hammer as described above. If you don't have press I would remove driveline and take to shop. You will save half your labor cost removing driveline and they will charge you an hour labor if you do all the joints, just the far rear shouldn't be but half hour for a shop.
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Old 06-14-2013, 05:42 AM
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Thankyou for the help
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Old 06-14-2013, 06:31 AM
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Eh, just do it yourself. I've done a ton and they don't take that long. Maybe an hour or two and it's worth the time to learn. Especially if you ever drop an axle due to a failure, you'll know exactly what you need to fix it on the side of a road.!

Or if you're like me, you can just go buy a press at Harbor Freight and justify that you'll use it again.
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Old 06-14-2013, 06:34 AM
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agreed the HF press is cheap but their hydraulic stuff is perfect for DIY guys

the biotch on a drive shaft is supporting it when pressing 2 people are nice

I have all the stuff but I still may drop mine off since they check balance
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Old 06-14-2013, 07:19 AM
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A 6" vise works pretty good too if you dont want to buy a press and with it working horizonal, usually the ds can just lay on the workbench as a support. Just did mine last week.
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Old 06-14-2013, 09:01 AM
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Quote:
Originally Posted by Expirobo View Post
Get a deep throat socket that will fit just inside the joint. Pull the shaft off, .

Ok yeah, Im a sicko...
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