Subaru Impreza 2003 Service Manual page 2100

CLUTCH SYSTEM
9. Clutch Fluid Air Bleeding
A: PROCEDURE
1. NON-TURBO MODEL
NOTE:
Bleed air from the oil line with help of a co-worker.
1) Remove the air cleaner case and air intake duct.
<Ref. to IN(H4SO)-5, REMOVAL, Air Cleaner
Case.> and <Ref. to IN(H4SO)-6, REMOVAL, Air
Intake Duct.>
2) Fit one end of a vinyl tube into the air bleeder of
operating cylinder and put the other end into a
brake fluid container.
(B)
(A) Clutch hose
(B) Air bleeder
3) Slowly depress the clutch pedal and keep it de-
pressed. Then open the air bleeder to discharge air
together with the fluid.
Release the air bleeder for 1 or 2 seconds. Next,
with the bleeder closed, slowly release the clutch
pedal.
(B)
(A) Operating cylinder
(B) Vinyl tube
4) Repeat these steps until there are no more air
bubbles in the vinyl tube.
CAUTION:
Cover the bleeder with waste cloth when loos-
ening it, to prevent brake fluid from being
splashed over surrounding parts.
CLUTCH FLUID AIR BLEEDING
(A)
CL-00063
(A)
CL-00064
CL-38
5) Tighten the air bleeder.
Tightening torque:
T: 8 N·m (0.8 kgf-m, 5.8 ft-lb)
T
6) After depressing the clutch pedal, make sure
that there are no leaks evident in the entire system.
7) After bleeding air from the system, ensure that
clutch operates properly.
2. TURBO MODEL
NOTE:
Bleed air from the oil line with help of a co-worker.
1) Remove the intercooler. <Ref. to IN(H4DOTC)-
10, REMOVAL, Intercooler.>
2) Fit one end of a vinyl tube into the air bleeder of
master cylinder and put the air bleeder of other end
into a brake fluid container. (RHD DOHC turbo
model)
3) Slowly depress the clutch pedal and keep it de-
pressed. Then open the air bleeder to discharge air
together with the fluid. Release the air bleeder for 1
or 2 seconds. Next, with the bleeder closed, slowly
release the clutch pedal. (RHD DOHC turbo model)
(A) Vinyl tube
4) Repeat these steps until there are no more air
bubbles in the vinyl tube. (RHD DOHC turbo mod-
el)
CAUTION:
Cover the bleeder with waste cloth when loos-
ening to prevent brake fluid from being
splashed over surrounding parts.
CL-00065
(A)
CL-00066