SERVICE MANUAL
WATER PUMP, THERMOSTAT & IDLER PULLEYS
Section 9
Figure 13. - Old Style Bearing Housing and Coolant Seal
1. Coolant Seal
2. Bearing Housing
7.
To install coolant seal seat into impeller:
a.
Moisten seal seat (6, Fig. 8) and cup O.D.
with water before assembly.
b.
By hand, press seal seat to bottom of
impeller counter bore.
c.
Support shaft at front end. Take up shaft
end play toward rear by pushing down on
the housing.
d.
Press impeller (1, Fig. 8) onto shaft with
shaft supported on front end as shown in
Fig. 14. Prior to fully installing, place two
0.71 mm (0.028 in.) feeler gauges under
the impeller as shown in Fig. 15.
e.
IMPORTANT:
Impeller
to
housing
clearance 4 and 8 vane pumps:
0.25 - 1.17 mm
(0.010 - 0.046 in.)
Figure 14. - Installing Impeller
1. Impeller
Figure 15. - Measuring Impeller to Housing
Clearance
1. Sleeve
2. Feeler Gauge
Determine impeller to housing clearance as follows:
1.
With feeler gauges in place press impeller until
feeler gauges (2, Fig. 15) are snug.
2.
Use a sleeve (1, Fig. 15) under press ram as
shaft will protrude slightly from impeller.
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
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