How to Change Universal Joint.

Replacing a seal universal joint into a 4x4 slip-yoke driveshaft for the Nissan Navarra/Frontier/xterra/Pathfinder pickup truck/SUV. This procedure remain the same for most driveshaft u-joint replacement. The universal joint allows a straight shaft to flex at varying angle while in rotation. A universal joint can become a drag or broken on the driveline should it fail to maintain lube grease or become wash by water causing rust to develop on its internal moving parts. Most universal joint are seal component preventing additional grease maintenance during it operation or install time. Some universal joint are fitted with grease nipple to allow grease to be injected by a grease gun, these universal joint are also seal to limit the enter of water and moisture. A grease nipple universal joint can outlast a seal universal joint if it is maintain with grease. Universal joint are most found on rear wheel and 4x4 driveline vehicles.
Thank you.
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[@scotcompston]

Way to start your video in the middle of the job....