Subaru XT 1988 Service Manual page 994

BRAKES 4-4
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 00T3 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
Primary
CD
Front left
Rear right
Rear left
9) Bleed air from each wheel cylinder using the same pro-
cedures as described in steps 5) through 8) above.
L4-1358
Fig. 115
10) Depress brake pedal with a force of approximately 294 N
(30 kg, 66 Ib) and hold it there for approximately 20 seconds.
At this time check pedal to see if it shows any unusual move-
L4.1011
ment.
L - -_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ -----'
Visually inspect bleeder screws and brake pipe joints to make
Fig. 114
sure that there is no fluid leakage.
5) Instruct your co-worker to depress the brake pedal slowly
two or three times and then hold it depressed.
6) Loosen bleeder screw approx imately 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 tt-Ib)
47
11) Install wheels, and drive car for a short distance between
2 to 3 km (1 to 2 miles) to make sure that brakes are operating
properly.