WATER PUMP, THERMOSTAT & IDLER PULLEYS
Lightly lubricate seal surface of shaft and
O.D. of shaft installation sleeve with
grease* and install shaft into front of pump
with installation sleeve (Fig. A).
IMPORTANT: The shaft installation sleeve (Fig. A)
can be used with both old and new style water pump
shafts but MUST DEFINATELY be used with the new
style shaft (Fig. A). Installing the new style water
pump shaft ,without the shaft installation sleeve
could cause rear seal damage and/or displacement.
The shaft installation sleeve can be fabricated
Figure A. Shaft Installation Sleeve and Old vs. New
Style Water Pump Shaft
Remove shaft installation sleeve.
Grease* rear roller bearing outer race and press
into housing against shoulder.
Install spacer (9).
Press in outer race of front bearing and make
sure the outer bearing races and spacers are
*Lubricating Grease per EMS B27-5004, Type I - Use
Amoco Rykon Premium Grease No. 2 Color Red.
Install spacers (8 and 12).
Fill cavity between spacers with 17cc (.6 oz.) of
Prepack front roller bearing inner race assembly
with grease*. Support shaft at impeller end and
press inner race assembly until it bottoms on
Install spacer (16) and snap ring (7).
Pack spring area of front seal (10) full of grease*
and lubricate seal lip with grease*. Install front
seal into housing against snap ring.
Lightly lubricate seal surface of wear sleeve (14).
Install wear sleeve.
Install hub (15) on shaft.
Install nut (13) according to the following:
If a flange nut is used apply engine oil to
threads. Torque to 237 Nm (175 Ibf-ft).
If a regular nut is used add Loctite #242 to
threads. Torque to 203 Nm (150 Ibf-ft).
Torque shaft by internal hex while holding
Install coolant seal (4) in bearing housing.
IMPORTANT: An "O" ring is necessary on coolant
seal used with new style bearing housing which has
a groove provided (Fig. 23a). With old style bearing
housing which has no groove an "O" ring MUST
NOT be used on the coolant seal. Instead apply
Permatex #3 to seal O.D. before installing (Fig. 23b).
PRINTED IN UNITED STATES OF AMERICA