Subaru XT 1988 Service Manual page 898

4-3
STEERING SYSTEM
Control Valve
(Power Steering Gearbox)
a. This section focuses on the disassembly and reassembly of
control valve. For the inspection and adjustment and the
service procedures for associated parts, refer to "Steering
Gearbox (Power Steering System)".
b. The number following a parts name in the text refers to the
key No. in the component parts illustration.
CHECKING OIL LEAKING POINTS AND
REPLACEMENT PARTS
01 L LEAKING POINTS
Power cylinder Rack piston
1
Cylinder
Rack axle
d d
Pipe ASSY A
Fig. 125
a. If leak point is other than a, b, c, or d, perform check
(5) in 2) before dismounting gearbox ASSY from vehicle. If
gearbox ASSY is dismounted without confirming where the
leak is, it must be mounted again to locate the leak point.
b. Even if the location of the leak can be easily found by
observing the leaking condition, it is necessary to thoroughly
remove the oil from the suspected portion and turn the
Control valve
b
Pinion housing
Pipe ASSY B
52
L4-742
steering wheel from lock to lock about 30 to 40 times with
engine running, then make comparison of the suspected
portion between immediately after and several hours after this
operation.
c. Before starting oil leak repair work, be sure to clean the
gearbox ASSY, hoses, pipes, and surrounding parts. After
completing repair work, clean these areas again.