Buick LeSabre 1965 Service Manual page 506

8 - 4 2 POWER STEERING STEERING GEAR, STEERING COLUMNS AND LINKAGE
LOWER
OF INSTALLER MUST
BE O N CENTER OF
END PLATE AND
HAVE A 1/4" SPACER
UNDER IT
Figure 8-64—Installing Housing
End Plate
See Figure 8-63. Pressure plate
will travel about 1/16" to seat.
Never press or hammer on the
center of pressure plate as this
will cause permanent distortion
and result in pump failure.
10. Install new end plate "O"
ring seal in groove in bore of
housing. Be sure not to install
it in end plate retaining ring
groove which is first groove from
rear of housing.
11. Install the two pressure plate
springs on the dowel pins.
12. Lubricate outside diameter
and chamfer of end plate with
petroleum jelly and insert in
housing.
13. Place end plate retaining ring
on top of end plate. Lay a 1/4"
spacer on center of end plate,
then position Installer J-7663 on
end plate so that the depression
on it is against the spacer. See
Figure 8-64. Attach installer to
housing using the reservoir to
housing studs with long end of
studs threading in housing. Press
end plate down by tightening studs
until ring groove in housing is
evenly exposed. Install retaining
ring. Be sure ring is completely
seated in housing groove and end
plate is aligned properly. Remove
studs.
CAUTION: Press end plate into
housing only far enough to install
retaining ring in groove.
14. Install new reservoir "O"
ring seal on housing. Place a
new small reservoir to housing
"O" ring seal in counterbore in
housing.
15. Install reservoir on housing
and line up holes for studs. Tap
reservoir with a soft mallet to
seat it on housing and install
reservoir to housing studs with
new "O" ring seals. Tighten
studs to 30 ft. lbs.
Figure 8-65—Removing Oil Pump
Shaft Seal
16. Install flow control spring in
housing. Then install flow control
valve with screw head of valve
going in housing first.
17. Assemble new "O" ring in
groove nearest outlet end of pres-
sure union. Install union in pump
and tighten to 30 ft. lbs.
CAUTION: If "O" ring is install-
ed in groove on pressure union
that contains the flow orifice,
pump will not build-up pressure.
18. Remove pump from vise and
install shaft key on shaft. Support
shaft on opposite side while in-
stalling key.
Figure 8-66—Installing Oil Pump Shaft Seal