5
6
7
Repairing coolant pump with high-temperature
and low-temperature parts
45
Fig. 5
Knock out cover by driving a suitable mandrel
under it (Fig. 1, item 3) at notch (arrow).
Fig. 6
Pull impeller off coolant pump shaft.
For this purpose four threaded bores M8 are pro-
vided.
Fig. 7
Note:
Remove bolt from low-temperature part
(Fig. 1, item 5).
Align water pump housing on a suitable and stable
surface.
Use a suitable mandrel to press the water pump
shaft together with bearing out of the housing.
Take off mechanical seal.
The high-temperature part and the low-tempera-
ture suction part are now separated.
Remove axial face seals and grooved ball bearing
from high-temperature part if they are still in the
housing.
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