How To Replace U-Joints 2 Ways

I needed to swap over the yolk from one driveshaft to another. In the process I replaced the U-joint. Since there’s more than one way to do this, I decided to show both methods of U-joint replacement I’m aware of. I’m sure there are other ways, but I believe these to be the most popular.

Either way, it’s a fairly simple and straightforward process. The difficulties come in with the different types of fasteners used. The wax ones can be a pain, but a little time with a propane torch and they should come out fine. The thing is to spot those plastic retainers before you start.

Good luck!

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Camera: Brian Kast

Thanks for watching!

Discussion about this video: https://www.ericthecarguy.com/kunena/18-The-EricTheCarGuy-Video-Forum/65789-how-to-replace-u-joints-2-ways

Tools

Zep Penetrating Oil: http://www.zepautomotive.com/product/Super-Rust-Breaker

U-joint tool: https://www.jbtoolsales.com/astro-pneumatic-7865-ball-joint-service-kit#oid=1002_1

The U-joint tool I used: https://www.amazon.com/Alltrade-648617-Master-U-Joint-Service/dp/B0028QGT86

My Bench Vice: http://www.jbtoolsales.com/wilton-14600-6-5-reversible-swivel-mechanics-vise#oid=1002_1

Related videos

My Bench Vice Review: https://www.youtube.com/watch?v=aNvnAlSSCXE

2003 Nissan Sentra Ball Joint/Wheel Bearing Replacement: https://www.youtube.com/watch?v=SYnscq4pMKw

**Answers to your automotive questions found here: http://www.ericthecarguy.com/faq

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Stay Dirty

ETCG

Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.

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45 thoughts on “How To Replace U-Joints 2 Ways

  1. my driveshaft/u-joints were so seized I actually popped a weld bead on my vice.
    One thing that helped me was to take it out of the vice and smack the socket with a hammer a few times.

  2. A vice is not a press, I've seen vice Jaws explode from that type of use. Also, if the cup is stuck, you can bend the ear and screw up your driveshaft. You elude to that when you say you're afraid of screwing it up.

  3. I had a 1988 S10 it needed U-joints it was the plastic kind you mentioned I did not know they did that and I use the vice and socket I end up pounding for 2 days what did I do wrong I thought I had done U-joints and all my cars but I had Mopars and Fords I'm 65 years old it took a long time to teach this old dog a new trick

  4. Your video helped me a lot, although I had one complication… my U-joints were so corroded that I had to use A LOT of pressure on the ball/U-joint removal tool – so much that it actually started to bend the yoke before it popped free. Re-installation meant using way more pressure than I probably should have to get the snap rings to seat. Rust belt truck that sat in the grass for 2 years, so it was probably worse than most. Now we'll find out how many miles the new joints last since I had to squeeze the tar out of them…

  5. gonna have to change a u joint on my 1990 f250 this week, didnt thought of the vise but definitly gonna use mine instead of my hammer!

  6. Eric, back in the day (early 70's) we used to remove the U-Joints in a vice with the sockets as you did, which works fine, and no damage to the drive shaft. We didn't have the tool back then. I've watched about 8 other videos on how to replace &-Joints and all of them took two sockets and beat the heck out of them with a BFH, and that sent chills down my spine watching this, I mean really banging very hard with the hammer. Great to see a real caring mechanic doing things the correct way.

  7. Lots of great advice in this video, such as making sure the clips are seated properly, tapping on the joint at the end, and direction of zerk fitting. Eric has great little tips that would be easy to skip over but are still important.

  8. Forgot how relatively simple this was, but most importantly all the little tidbits and reminders are what I appreciate the most. Top shelf instruction there brother! Thanks! Stay dirty!

  9. I did mine today with the 20 ton Harbor Freight press I bought last month to do the rear wheel bearings on my 03 Mountaineer. One thing I haven't seen covered in any videos is the old snap rings breaking. Lots of fun when that happens. Six out of 8 of mine broke like that. Easiest solution I found was to get one side out entirely, then just press from the other side. Once the cup is out, it's much easier to dig out the broken ring. I had expected it to be a frustrating balancing act trying to use the press and keep the sockets lined up with the yoke, but it really wasn't that bad. The first one went that way because I was trying to keep a 30mm socket aligned on the bottom, and a 17mm socket on the top. The last three I did by just pressing the u joint from one side until it bottomed out, then I flipped it over and put the 17mm socket in the yoke hole and the 30mm socket on top so I could press the cup all the way through. Wasn't that bad at all, and my horrible clicking and grinding noises are gone. On top of that, it no longer feels like the brakes are on when I let off the gas. One was completely seized in one direction. I'm guessing I should have done this a long time ago.

  10. Thanks for this video. You're probably the only video that shows a sealed u joint install. Everyone else shows how to do it with a zerk fitting. My concern was that I wasn't sure if you needed to add any grease on the sealed u joints. Ordered the parts, will be doing this job on Saturday along with replacing the rear transfer case seal.

  11. Why have a driveshaft that delicate on a 4wd truck framed vehicle that is likely to bounce off some rocks and logs? Let's make a ford and a chevy still last 10 years like they should!

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