Subaru XT 1988 Service Manual page 79

1-5 PERIODIC MAINTENANCE SERVICES
m
Brake Fluid
REPLACEMENT
1) Either jack up the front end of vehicle and place a safety
stand under it, or drive vehicle onto the pit and then jack up
the front end.
2) Remove both left and right front wheels.
3) Remove filler cap from brake fluid tank.
Install one end of a vinyl tube onto the air bleeder of front
brake and insert the other end of the tube into a container to
collect the brake fluid.
To drain fluid into container, open the air bleeder and
repeatedly depress and release the brake pedal until a small
amount of fluid remains in the reservoir tank.
Then tighten the bleeder screw.
Fig.
32
a. The brake piping consists of a dual system, cross design.
The piping on the primary side connects the right front brake
and the rear left brake and the piping on the secondary side
connects the left front brake and rear right brake.
b. For convenience and safety, it is advisable to have two men
working.
c. Be careful not to spill brake fluid onto the painted surface.
d. Discard the drained brake fluid and do not reuse it.
4) Refill reservoir tank with recommended brake fluid.
Recommended brake fluid:
FMVSS No. 116, fresh DOT3 or 4 brake fluid
20
MAINTENANCE INTERVAL
[Number of months or km (milesl, whichever occurs first]
Months 7.5 15 22.5 30 37.5
45 52.5
60
x 1,000 km 12
24
36 48 60
72 84 96
x
1,000 miles 7.5
15
22.5 30 37.5
45 52.5 60
m
m
a. Avoid mixing different brands of brake fluid to prevent
degrading the quality of the fluid.
b. Be careful not to allow dirt or dust to get into the reservoir
tank.
c. Use fresh DOTJ or 4 brake fluid when replacing or refilling
the fluid.
d. Always check to be sure a small amount of brake fluid is
in the tank while changing brake fluid.
e. The amount of brake fluid required is approximately
270 mQ (9.1 US fl
OZ,
9.5 Imp fl oz) for total brake system.
f. Bleed air according to illustrated sequence.
Bleeding sequence
CD . . . . . ® . . . . . ®
-+
@
Front right Rear right
®
®
Primary
Front left Rear left
A17-150
Fig.
33
5) Instruct your co-worker to depress the brake pedal slowly
two or three times and then hold it depressed.
6) Loosen bleeder screw approximately 1/4 turn until a small
amount of brake fluid drains into container, and then quickly
tighten screw.
7)
Repeat steps 5) and 6) above until there are no air bubbles
in drained brake fluid and new fluid flows through vinyl tube.
Add brake fluid as necessary while performing the air bleed
operation, in order to prevent the tank from running short of
brake fluid.
8) After completing the bleeding operation, hold brake pedal
depressed and tighten screw and install bleeder cap.
Tightening torque (Bleeder screw):
7 - 9 N·m (0.7 - 0.9 kg-m, 5.1 - 6.5 ft-Ib)