How do you change u joints?

just take the weed out the last joint and roll another one |||Universal joints either come out with a snap ring or are literally bolted to their mounting dogs with U shaped bolts and nuts with washers. You compress the snap ring and tap the joint out of the yoke or just unbolt the other style.|||The previous answer is correct. Unfortunately it is not that easy to remove and reinstall them. Some are also held in with plastic. If the caps do not have a snap-ring then they are held in with the plastic. You will need to heat the caps to melt out the plastic. Make alignment marks on all of the parts. Yoke to tube at both ends to keep the balance as close to possible. Disassembling you will need a punch and a socket the cap will enter easily. Tap out the capone direction this will push out the other side. Then reverse the direction tapping ont he u-joint to push the cap out the opposite side. Take your time and press the end caps in slowly to keep from loosing any roller pins they do not compress very easy and you will not be-able to get the cap fully seated. After fully seating the caps and securing. Take and hit the yoke slightly just below the cap at the base of the tube and yoke. This will release the tension from pressing the caps in. Good luck.