Subaru Impreza 2003, Service Manual

Page: 2100 / 3610

CL-38
CLUTCH SYSTEM
CLUTCH FLUID AIR BLEEDING
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.
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.
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.
5) Tighten the air bleeder.
Tightening torque:
T: 8 N·m (0.8 kgf-m, 5.8 ft-lb)
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)
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.
(A) Clutch hose
(B) Air bleeder
(A) Operating cylinder
(B) Vinyl tube
CL-00063
(B)
(A)
CL-00064
(B)
(A)
(A) Vinyl tube
CL-00065
T
(A)
CL-00066