In addition to number 1 on the diagram, the rubber guibo, number 3, is common fail item for our cars. Open the hood and have an assistant shake the steering wheel. Observe the movement of the universal joint and the guibo. You will have to drill out or cut the four rivets to replace the guibo. They sell the OEM style rubber one or uprated polyurethane and aluminum ones for racing setups.
To remove the universal joint, first make sure the steering wheel is straight. Make alignment marks on the steering shaft and universal joint before undoing both bolts. Next loosen the adjustment nut on the steering column, this will allow the steering shaft to move up. Now gentle tap the universal joint off of the steering rack and shaft. You might need to spread the groove in the univerdal joint to accomplish this. Prevent the steering wheel from turning to prevent any wiring damage.
To remove the universal joint, first make sure the steering wheel is straight. Make alignment marks on the steering shaft and universal joint before undoing both bolts. Next loosen the adjustment nut on the steering column, this will allow the steering shaft to move up. Now gentle tap the universal joint off of the steering rack and shaft. You might need to spread the groove in the univerdal joint to accomplish this. Prevent the steering wheel from turning to prevent any wiring damage.