Use a press and tool (A) to install pulley (3) on
the shaft assembly as shown.
Put the cup and seat in position in impeller (4)
and use tool (F) to install them by hand.
Put impeller (4) on the shaft assembly and use a
press and tooling (A), (D) and (E) as shown to
push the impeller on to the shaft assembly until
tool (D) can just be moved between the housing
a) install water pump