Universal Joints connect the Driveshaft between the Transmission and the Rear Axle Differencial that transfers power from the Engine to the Transmission to the Rear Axle to move the car.
Universal coupling
A hardy spicer is a universal coupling as found on vehicle drive shafts and they are fitted with needle bearings
Worn universal joints.
maybe you can unbolt the universal joint and then slide it out of the spline
A cars driveshaft, a cars steering column, a socket set,
It means you probably have a bad universal joint or two.
get the universal joints checked on your driveshaft.
Check universal joints.
Could have a bad universal joint in a driveshaft.
Replace universal joint on rear of driveshaft
A universal joint on the driveshaft going bad.
A 2002 S-10 standard cab 2 wheel drive has 2 universal joints in the driveshaft.