Remove the water pump from the timing gearcase cover [Figure 70-100-86].
Put the water pump in a vise and remove the nut [Figure 70-100-87].
Remove the pulley using a puller. Remove the key and snap ring.
Drive the shaft out of the impeller side of the water pump housing [Figure 70-100-88].
Install the new seals [Figure 70-100-89]. Install the shaft.
Installation: Put the water pump in a vise and tighten the nut to 50-57 ft.-lbs. (68-77 Nm) torque. Always use a new gasket when installing the water pump on the timing gearcase cover.