WATER PUMP, THERMOSTAT & IDLER PULLEYS
Using a new gasket, secure water pump to
crankcase front cover.
Install water pump pulley, fan and fan
spacer, if one was used.
PROCEDURE FOR WATER PUMPS WITH A NUT
Disassemble the Water Pump, with a Nut Retained
Hub, as follows:
Pull off the impeller (1, Fig. 16) using the two 1/2
inch holes provided as shown.
Figure 16. - Removing Impeller
NOTE: If the impeller is equipped with 1/4 inch
holes, enlarge them to 1/2 inch to accept a small
puller (2, Fig. 16).
Pry out the ceramic seat and boot (1, Fig. 17)
from the impeller and discard it, along with the
water pump seal (2) as shown.
NOTE: The metal part of the seal will remain in the
housing until later.
Figure 17. - Water Pump Seal
1. Seat and boot
Remove the hub nut (1, Fig. 18) hub (2), and key
(3) (if equipped), as shown in the sectional view
of the water pump.
Figure 18. - Water Pump Cross Section (Nut Retained
1. Hub nut
2. Pulley hub
3. Woodruff key
early model only
4. Water pump seal
5. Rear bearing seal
PRINTED IN UNITED STATES OF AMERICA