service SUBARU LEGACY 2004 4.G Owner's Manual

Page 324 of 525

8-5
Driving tips
– CONTINUED –
combustion), have your vehicle checked and repaired
by an authorized SUBARU dealer.yDo not apply undercoating or rust prevention treat-
ment to the heat shield of catalytic converter and the
exhaust system.Periodic inspections
To keep your vehicle in the best condition at all times,
always have the recommended maintenance services
listed in the maintenance schedule in the “Warranty
and Maintenance Booklet” performed at the specified
time or mileage intervals.

Page 356 of 525

8-37
Driving tips
– CONTINUED –
cal system and cause a malfunction of your ve-
hicle’s lighting system.
Connection of trailer lights to your vehicle’s electrical
system requires modifications to the vehicle’s lighting
circuit to increase its capacity and accommodate wir-
ing changes. To ensure the trailer lights are connected
properly, please consult your SUBARU dealer. Check
for proper operation of the turn signals, the brake
lights and parking lights each time you hitch up. T Tires
Never tow a trailer when the temporary spare
tire is used. The temporary spare tire is not de-
signed to sustain the towing load. Use of the
temporary spare tire when towing can result in
failure of the spare tire and/or less stability of
the vehicle.
Make sure that all the tires on your vehicle are properly
inflated.
The recommended cold tire pressure under trailer tow-
ing conditions is shown in chapter 12, “Specifications” and in “GAS STATION REFERENCE” at the end of
this manual. Adjust the rear tire pressure to the recom-
mended pressure when the tires are cold. Normal
pressure should be maintained in the front tires.
Trailer tire condition, size, load rating and proper infla-
tion pressure should be in accordance with the trailer
manufacturer’s specifications.
In the event your vehicle gets a flat tire when towing a
trailer, ask a commercial road service to repair the flat
tire.
If you carry a regular size spare tire in your vehicle or
trailer as a precaution against getting a flat tire, be
sure that the spare tire is firmly secured. „
Trailer towing tipsyNever exceed 45 mph (72 km/h) when towing
a trailer in hilly country on hot days. y When towing a trailer, steering, stability,
stopping distance and braking performance
will be different from normal operation. For
safety’s sake, you should employ extra caution
when towing a trailer and you should never

Page 373 of 525

9-14
In case of emergency
the wheel nut torque checked at the nearest automo-
tive service facility.
15.Store the flat tire in the spare tire compartment.
When storing a conventional tire, put the spacer up-
side down and tighten the attaching bolt firmly.
Also store the jack and wheel nut wrench in their stor-
age locations.
After placing the jack in its storage location, turn the
jackscrew clockwise by hand until it becomes too hard
to turn. Then, tighten it by an additional 1/4 – 1/3 of a
turn using a screwdriver or the jack handle. Unless the
jack is properly secured, it may rattle while the vehicle is moving.
Never place a tire or tire changing tools in the
passenger compartment after changing
wheels. In a sudden stop or collisions, loose
equipment could strike occupants and cause
injury. Store the tire and all tools in the proper
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UB1169BA

Page 380 of 525

9-21
In case of emergency
– CONTINUED –
dealer or a commercial towing service. Observe the
following procedures for safety. „Towing and tie-down hooks
The towing hooks should be used only in an emergen-
cy (e.g., to free a stuck vehicle from mud, sand or snow).
y Use only the specified towing hooks and tie-
down hooks. Never use suspension parts or
other body parts for towing or tie-down purpos-
es. y Never use the tie-down hook closest to the
muffler under the vehicle for towing purposes. y To prevent deformation to the front bumper
and the towing hook, do not apply excessive
lateral load to the towing hooks. 1) Towing hook cover
2) Towing hook
1
2
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Page 402 of 525

11 - 1
11
Maintenance and service
Ma inte nan ce sche du le .. ... ... ... .. ... ... ... ... .. ... ... 11-3
Ma in te nan ce precau tio ns ... ... .. ... ... ... ... .. ... ... 11-3
B ef ore checki ng o r servicing in th e e ngi ne
c o m part ment ..... ..................... ..................... ... 11-4
W hen y ou do c h ecking or servic ing in t h e
e ngi ne c omp artme nt while the engi ne is
r u nn ing ............... ..................... ..................... ... 11-5
En gine ho od .. ... ... ... .. ... ... ... ... ... .. ... ... ... ... .. ... ... 11-5
Engine compartment overview ................... 11-8 2.5 liter models .................................................. 11-8
2.5 liter CALIFORNIA spec models ................. 11-9
3.0 liter models .................................................. 11-10
Engine oil ...................................................... 11-11 Checking the oil level ....................................... 11-11
Changing the oil and oil filter .......................... 11-12
Recommended grade and viscosity ................ 11-15
Recommended grade and viscosity under severe driving conditions .............................. 11-16
Cooling system ............................................. 11-17 Hose and connections ...................................... 11-18
Engine coolant .................................................. 11-18
Air cleaner element ...................................... 11-22 Replacing the air cleaner element ................... 11-22
Spark plugs ................................................... 11-25 Recommended spark plugs ............................. 11-25
Drive belts ..................................................... 11-26 2.5 liter models .................................................. 11-26
3.0 liter models .................................................. 11-26
Manual transmission oil ............................... 11-27 Checking the oil level ....................................... 11-27 Recommended grade and viscosity ............... 11-27
Automatic transmission fluid ...................... 11-28 Checking the fluid level .................................... 11-28
Recommended fluid ......................................... 11-30
Front differential gear oil (AT vehicles) ...... 11-30 Checking the oil level ....................................... 11-30
Recommended grade and viscosity ............... 11-31
Rear differential gear oil ............................... 11-32 Checking the gear oil level .............................. 11-32
Recommended grade and viscosity ............... 11-34
Power steering fluid ...................................... 11-35 Checking the fluid level .................................... 11-35
Recommended fluid ......................................... 11-36
Brake fluid ..................................................... 11-36 Checking the fluid level .................................... 11-36
Recommended brake fluid ............................... 11-37
Clutch fluid (MT vehicles) ............................ 11-38 Checking the fluid level .................................... 11-38
Recommended clutch fluid .............................. 11-38
Brake booster ................................................ 11-39
Brake pedal .................................................... 11-39 Checking the brake pedal free play ................ 11-39
Checking the brake pedal reserve distance ... 11-40
Clutch pedal (Manual transmission vehicles) ............... 11-40Checking the clutch function .......................... 11-40
Checking the clutch pedal free play ............... 11-41
Replacement of brake pad and lining ......... 11-41 Breaking-in of new brake pads and linings .... 11-42

Page 403 of 525

11 - 2
Maintenance and service
Parking brake stroke .................................... 11-43
Tires and wheels .......................................... 11-43Types of tires .................................................... 11-43
Tire inspection .................................................. 11-44
Tire pressures and wear .................................. 11-44
Wheel balance ................................................... 11-47
Wear indicators ................................................. 11-47
Tire rotation ....................................................... 11-48
Tire replacement ............................................... 11-48
Wheel replacement ........................................... 11-49
Wheel covers .................................................... 11-50
Aluminum wheels (if equipped) .................. 11-51
Windshield washer fluid .............................. 11-51
Replacement of wiper blades ...................... 11-52 Replacement wiper blade assembly ............... 11-53
Replacement wiper blade rubber .................... 11-53
Battery ........................................................... 11-58
Fuses ............................................................. 11-59
Main fuse ....................................................... 11-61
Installation of accessories .......................... 11-62
Replacing bulbs ............................................ 11-63 Headlight ........................................................... 11-65
Front fog light (if equipped) ............................. 11-69
Front turn signal light, parking light and side marker light .................................................... 11-69
Rear combination lights ................................... 11-71
License plate light ............................................ 11-76
Map light, dome light, luggage compartment light and door step light ................................ 11-76
Trunk light ......................................................... 11-79
High mount stop light ...................................... 11-79

Page 404 of 525

11 - 3
2Maintenance and service
– CONTINUED –
2Maintenance and serviceMaintenance schedule
The scheduled maintenance items required to be ser-
viced at regular intervals are shown in the “Warranty
and Maintenance Booklet”.
For details of your maintenance schedule, read the
separate “Warranty and Maintenance Booklet”.Maintenance precautions
When maintenance and service are required, it is rec-
ommended that all work be done by an authorized
SUBARU dealer.
If you perform maintenance and service by yourself,
you should familiarize yourself with the information
provided in this section on general maintenance and
service for your SUBARU.
Incorrect or incomplete service could cause improper
or unsafe vehicle operation. Any problems caused by
improper maintenance and service performed by you
are not eligible for warranty coverage.
yTesting of an All-Wheel Drive vehicle must
NEVER be performed on a single two-wheel dy-
namometer or similar apparatus. Attempting to
do so will result in transmission damage and in
uncontrolled vehicle movement and may cause
an accident or injuries to persons nearby.y Always select a safe area when performing
maintenance on your vehicle.y Always be very careful to avoid injury when
working on the vehicle. Remember that some of

Page 405 of 525

11 - 4
2Maintenance and service
the materials in the vehicle may be hazardous if
improperly used or handled, for example, bat-tery acid. y
Your vehicle should only be serviced by per-
sons fully competent to do so. Serious person-
al injury may result to persons not experienced
in servicing vehicles. y Always use the proper tools and make certain
that they are well maintained. y Never get under the vehicle supported only
by a jack. Always use a safety stands to sup-
port the vehicle. y Never keep the engine running in a poorly
ventilated area, such as a garage or other
closed areas. y Do not smoke or allow open flames around
the fuel or battery. This will cause a fire. y Because the fuel system is under pressure,
replacement of the fuel filter should be per-
formed only by your SUBARU dealer.y Wear adequate eye protection to guard
against getting oil or fluids in your eyes. If
something does get in your eyes, thoroughly
wash them out with clean water. y Do not tamper with the wiring of the SRS air-
bag system or seatbelt pretensioner system, or
attempt to take its connectors apart, as that may activate the system or it can render it inop-
erative. The wiring and connectors of these
systems are yellow for easy identification. NEV-
ER use a circuit tester for these wiring.
If your SRS airbag or seatbelt pretensioner
needs service, consult your nearest SUBARU
dealer.
„ Before checking or servicing in the en-
gine compartment
yAlways stop the engine and set the parking
brake firmly to prevent the vehicle from mov-
ing. y Always let the engine cool down. Engine
parts become very hot when the engine is run-
ning and remain hot for some time after the en-
gine is stopped.y Do not spill engine oil, engine coolant, brake
fluid or any other fluid on hot engine compo-
nents. This may cause a fire.y Always remove the key from the ignition
switch. When the ignition switch is in the “ON”
position, the cooling fan may operate suddenly

Page 406 of 525

11 - 5
2Maintenance and service
– CONTINUED –
even when the engine is stopped.
„ When you do checking or servicing in
the engine compartment while the en-
gine is running
A running engine can be dangerous. Keep your
fingers, hands, clothing, hair and tools away
from the cooling fan, belts and any other mov-
ing engine parts. Removing rings, watches and
ties is advisable.
Engine hood
To open the hood:
1. If the wiper blades are lifted off the windshield, re-
turn them to their original positions.
2. Pull the hood release knob under the instrument
panel.
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Page 407 of 525

11 - 6
2Maintenance and service
3. Release the secondary hood release located under
the front grille by moving the lever toward the left.
4. Lift up the hood, release the hood prop from its re-
tainer and put the end of the hood prop into the slot in
the hood.
To close the hood:
1. Lift the hood slightly and remove the hood prop
from the slot in the hood and return the prop to its re-
tainer.
2. Lower the hood until it approaches about 6 in (15
cm) from the closed position and let it drop.
3. After closing the hood, be sure the hood is securely
locked.
If this does not close the hood, release it from a slightly
higher position. Do not push the hood forcibly to close
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