Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 3
PC-2
Precaution
PRECAUTION
1. Precaution
A: CAUTION
Please clearly understand and adhere to the follow-
ing general precautions for environmental protec-
tion and to avoid minor or serious injury to the
person doing the work or people in the area.
1. VEHICLE DYNAMICS CONTROL (VDC)
Handle the VDC as a total system. Do not disas-
semble or attempt to repair individual parts. Follow
the directions in this manual when performing
maintenance on the VDCCM&H/U. When parts
other than those specified are disassembled, it is
possible that the VDC system will not operate when
needed or cause it to operate incorrectly and result
in injury.
2. BRAKE FLUID
If brake fluid gets in your eyes or on your skin, do
the following:
• Wash eyes and seek immediate medical atten-
tion.
• Wash your skin with soap and then rinse thor-
oughly with water.
3. RADIATOR FAN
The radiator fan may rotate without warning, even
when the engine is not ON. Do not place your hand,
cloth, tools or other items near the fan at any time.
4. ROAD TEST
Always conduct road tests in accordance with traf-
fic rules and regulations to avoid bodily injury and
interrupting traffic.
5. AIRBAG
To prevent bodily injury from unexpected deploy-
ment of airbags and unnecessary maintenance, fol-
low the instructions in this manual when performing
maintenance on the airbag components or nearby,
around front of the vehicle (radiator panel, front
wheel apron, front side frame, bumper, hood, front
fender), around side of the vehicle (front door, rear
door, center pillar, rear fender, side sill, rear wheel
apron), around rear of the vehicle (rear seat cush-
ion, rear floor, rear sub frame assembly) and the
airbag wiring harnesses or nearby.
To prevent unexpected deployment, turn the igni-
tion switch to OFF and disconnect the ground cable
from battery, then wait at least 60 seconds before
starting work.
6. AIRBAG DISPOSAL
To prevent bodily injury from unexpected airbag
deployment, do not dispose the airbag modules in
the same way as other waste. Follow all govern-
ment regulations concerning disposal of refuse.
7. AIRBAG MODULE
Adhere to the following when handing and storing
the airbag module to prevent bodily injury from un-
expected deployment:
• Do not hold the harnesses or connectors to carry
the module.
• Do not face the bag in the direction that it opens
towards yourself or other people.
• Do not face the bag in the direction that it opens
towards the floor or walls.
8. AIRBAG SPECIAL TOOL
To prevent unexpected deployment, only use spe-
cial tools.
9. WINDOW
Always wear safety glasses when working around
any glass to prevent glass fragments from damag-
ing your eyes.
10.WINDOW ADHESIVE
Always use the recommended or equivalent adhe-
sive when attaching glass to prevent it from falling
off, resulting in accidents and injury.
11.OIL
When handling oil, adhere to the following to pre-
vent unexpected accident.
• Prepare a container and cloth to prevent scatter-
ing of oil when performing work where oil can be
spilled. If the oil spills, wipe it off immediately to pre-
vent from penetrating into floor or flowing out for
environmental protection.
• Follow all government and local regulations con-
cerning disposal of refuse when disposing.
12.FUEL
When handling and storing fuel, adhere to the fol-
lowing to prevent from unexpected accident.
• Be careful with fire.
• Prepare a container and cloth to prevent scatter-
ing of fuels when performing work where fuels can
be spilled. If the oil spills, wipe it off immediately to
prevent from penetrating into floor or flowing out for
environmental protection.
• Follow all government and local regulations con-
cerning disposal of refuse when disposing.
PC-3
Precaution
PRECAUTION
13.ENGINE COOLANT
When handling engine coolant, adhere to the following to prevent from unexpected accident.
• Never remove the radiator cap since engine coolant may blow out when it is hot.
• Prepare a container and cloth to prevent scattering of engine coolant when performing work where engine
coolant can be spilled. If the oil spills, wipe it off immediately to prevent from penetrating into floor or flowing
out for environmental protection.
• Follow all government and local regulations concerning disposal of refuse when disposing.
14.AIR CONDITIONER REFRIGERANT
In order to prevent from global warming, avoid releasing air conditioner refrigerant into the atmosphere. Us-
ing a refrigerant recovery system, discharge and recycle it.
15.REMOVAL AND INSTALLATION OPERATION OF HOSES, ETC.
1. Before the removal and installation operation of hoses, etc.
• If you keep using the damaged or deformed hose, it results bleeds or leakage of the fat adheres or discon-
nection of the hose. Be careful not to spill fat adheres on exhaust pipes, etc. during maintenance to prevent
emitting smoke or causing fires.
• Perform the operation with the hose removed. If the operation is performed without removing the hose, it
may damage inner surface of the hose.
2. Removal and installation operation of hoses, etc. during the inspection
•
Follow the instructions below when removing hose.
• Do not use a pointed hose remover (hose plucker) when using a general hose remover. It may damage
the pipe surface or the hose.
• When draining hose using pliers, be sure to cover the hose with cloth and rotate the hose slightly to ex-
tract straight.
(1)
Hose remover
PC-00085
(1)
(1)
PC-4
Precaution
PRECAUTION
•
If you keep using the hose, perform the in-
spection below and replace the hose with a new
part if faulty.
• Replace the hose with a new part if it rides
over the stay or the top of spool.
• Check if the surface and the inner surface of
the hose are damaged, cracked, bend, hard-
ened, softened, swelled, peeled or deformed
due to the adherence or the entry of the foreign
matter by bending the hose. Replace with the
new part if faulty.
•
Follow the instructions below during installa-
tion.
• Check carefully for assembling position.
• Never use lubricants.
• Insert the hose to the specified position (stop-
per or spool) securely. (The stopper of the spool
is between the top of the spool and the bottom
section.)
(1) Hose rides over the stay
(1) Hose rides over the top of spool
PC-00071
(1)
PC-00077
(1)
PC-00074
(2)
(1)
PC-00070
(1)
PC-5
Precaution
PRECAUTION
• Check if the position, direction and hose lay-
out of the hose clamp are correct. (Check if the
position, direction, length and the gap around
are correct, or if it is different from the condition
before the work)
• After the installation, check that the hose is in-
stalled securely and there is no leakage. (Check
if it is fixed securely with the clamp)
•
For hose clips and hose clamps, perform the
inspection below and replace them with a new
part if faulty.
• Check for deformation, rust, damage or for-
eign matters.
• For hose clip, check if it works and has clamp-
ing force.
• For hose clamp, check if it can tighten screw,
not ovalized or the screw is not damaged.
•
For hose pipes, perform the inspection below
and replace with a new part if faulty.
Check if the pipe is not damaged, rusted, peeled
(peeled plates included), covered with foreign
matter, bent, compressed or cracked.
•
For the parts below, replaces with a new part
when the hose is removed or the installation
position is changed.
Engine oil cooler hose, power steering suction
hose, power steering return hose, fuel hose (de-
livery/return) (except for those with quick con-
nector)
(1) Push against the spool. (Insert the hose and
prevent it from becoming wrinkled.)
(2) Tighten the hose outwards and apply force thor-
oughly.
(A) OK position (bottom of spool)
(B) OK position (top of spool)
PC-00080
(B)
(A)
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