BYD F3, F3R. Service Manual — part 13

F3/F3R OWNER’S MANUAL

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Engine compartment overview

1.

Junction box

2.

Engine oil level oil dip rod

3.

Engine coolant reservoir

4.

Engine oil filler cap

5.

Battery

6.

Radiator

7.

Electric

cooling fan

8.

Condenser

9.

Windshield washer fluid tank

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Fuse locations

For the function of fuses, refer to
instructions in “Fuses and relays” in
Section 8.

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Do-it-yourself service precautions
If you perform maintenance by yourself, be
sure to follow the correct procedure given in
this section.
Be aware that improper or incomplete
servicing may result in operating problems.
This section gives instruction only for those
items that are relatively easy for an owner to
perform. As explained in Section 6, there are
still a number of items that must be done by a
qualified technician with special tools.
Utmost care should be taken when working
on your vehicle to prevent accidental injury.
Here are a few precautions that you should
be especially careful to observe:

CAUTION

●

When the engine is running, keep
hands, clothing, and tools away
from the moving fan and engine
drive belts. (Removing rings,
watches, and ties is advisable.)

●

Right after driving, the engine
compartment, including the engine,
radiator, exhaust manifold, power
steering fluid reservoir and spark
plug boots, will be hot, so be
careful not to touch them. Oil,
fluids, and spark plugs may also be
hot.

●

If the engine is hot, do not remove
the radiator cap or loosen the drain
plugs to

prevent burning yourself.

●

Do not leave anything that may
burn easily, such as paper or rags,
in the engine compartment.

●

Be sure that the ignition is off if you
work near the electric cooling fan
or radiator grille. With the ignition
on, the electric cooling fan will
automatically start to run if the
engine coolant temperature is high
and/or the air conditioner is turned
on.

●

Do not smoke for fear of causing
sparks or open flames around fuel
or the battery. Their fumes are
flammable.

●

Be extremely cautious when

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working on the battery. It contains
poisonous and corrosive sulfuric
acid.

●

Do not get under your vehicle with
just the body jack supporting it.
Always use automotive jack stands
or other solid supports

●

Use eye protection whenever you
work on or under your vehicle
where you may be exposed to
flying or falling material, fluid
spray, etc.

●

Used oil contains latent pollutant
which would cause skin diseases
such as

dermatitis and skin cancer, so pay
attention to avoid touching this

type of oil frequently. You can use
soap and water to clean the oil on
your skin.

●

Put used oil in the place out of
children’s reach.

●

Take a secure method to deal with
the used oil and oil filter. Do not
discard them into garbage sewer
or onto the ground. Contact BYD
AUTO service station for requiring
how to recycle or dispose of them.

●

Being harmful to eyes, the
paint and the brake fluid
should be infused carefully.
If the brake fluid spills into
your eyes, wash your eyes at
once. If you still feel
uncomfortable with your
eyes, go to hospital for
check immediately.

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NOTICE

●

Remember that the battery and
ignition cables carry high currents
or voltages. Be careful of
accidentally causing a short circuit.

●

If you spill some of the coolant, be
sure to wash it off with water to
prevent it from damaging the parts
or paint.

●

Do not allow dirt or anything else to
fall through the spark plug holes.

●

Do not pry the outer electrode of a
spark plug against the center
electrode.

●

Use the prescribed spark plug only.
The engine will be so damaged by
using other types of spark plugs
that it loses its function or gives off
wireless interference.

●

Do not overfill automatic
transmission fluid and power
steering fluid. The automatic
transmission and power steering
could be damaged.

●

If you spill the brake fluid, be sure
to wash it off with water to prevent
it from damaging the parts of paint.

●

Do not drive with the air cleaner
filter removed, or excessive engine
wear could be caused.

Also backfiring could cause a fire in

the engine compartment.

●

Be careful not to scratch the glass
surface with the wiper frame.

●

When closing the engine hood,
check whether you have left any
tools, rags, etc.

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Positioning the jack

Front

Rear
When jacking up your vehicle with the jack,
position the jack correctly as shown in the
illustrations.

CAUTION

When jacking, be sure to observe the
following to reduce the possibility of
personal injury:

●

Avoid inhale the exhaust gas of

engine. The exhaust gas contains

colorless and odorless monoxide that

can cause deaths.

●

Do not put any part of your body

under the vehicle supported by the

jack. Personal injury may occur.

●

Do not start or run the engine while

your vehicle is supported by the jack.

●

Stop the vehicle on a level firm

ground, firmly set the parking brake,

and put the transmission in neutral.

Block the wheels on the opposite side

or the jack up point if necessary.

●

Make sure to put the jack in a
proper position. Personal injury or
vehicle damage may occur if it is
jacked up incorrectly.

●

Don’t go under the vehicle if it’s
upheld only by the jack. The
vehicle needs to be
underpropped.

●

Do not raise the vehicle with
someone in the vehicle.

When raising the vehicle, do not place
any objects on top of or underneath
the jack.

NOTICE

Make sure to place the jack correctly, or
your vehicle may be damaged.

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SECTION 7-2 DO-IT-YOURSELF MAINTENANCE

2. Engine and chassis
Checking the engine oil level. . . . . . . . . . . . . . . . . . ..200
Checking the engine coolant level. . . . . . . . . . . . . . . . . ...205
Checking the radiator and condenser. . . . . . . . . . . . . . . . …..206
Checking tire inflation pressure. . . . . . . . . . . . . . . . . …..206
Checking and replacing the tire. . . . . . . . . . . . . . . . . …..207
Interchanging tires. . . . . . . . . . . . . . . . . . . . ...209
Replacing wheels. . . . . . . . . . . . . . . . . . . . ….210
Aluminum wheel precautions. . . . . . . . . . . . . . . . . . ..211

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Checking the engine oil level

With the engine arrives at operating
temperature, turn it off and check the oil
level with a dipstick.
1. To get a correct reading, the vehicle

should be on level ground. After turning
off the engine, wait a few minutes for the
oil to drain back into the bottom of the
engine.

2. Pull the oil dip rod out, hold a rag under

the end, and wipe it clean.

3. Reinsert the oil dip rod, and push it in as

far as it will go, or the reading will not be
correct.

4. Pull the oil dip rod out and look at the oil

level while placing a rag at the end.

NOTICE

Be careful not to drop the engine oil on
vehicle components.

If the oil level goes below or slightly above
the low level, fill the engine oil of the same
type into the engine.
Remove the oil filler cap and add the engine
oil in small quantities at a
time, and check the oil dip rod. We
recommend that you use a funnel when

adding oil.
To confirm the quantity of needed oil, please
take reference from the interval between the
low and high level on the oil dip rod.
When the level reaches within the correct
range, install the filler cap and tighten it by
hand.

NOTICE

●

Do not spill oil onto spare parts.

●

Avoid overfilling, or the engine
could be damaged.

●

Check the oil level on the dipstick
once again after adding the oil.

Oil type selection

Use the oil approved by BYD AUTO or

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equivalence according to the following:
Oil grade for gasoline engine:

SAE 5W-30

-30°C above

SAE 15W-40

-15°C above

API grade: SG or above.
Dosage: 3 L

Gear oil grade for transmission
75 W-90

Cold area (Northern),

winter
80 W-90

Cold area (Northern),

summers
80 W-90 or 80 W-140 warm area
(Southern), whole year
Dosage: 2.1 L
Recommendatory oil (SAE):

Predicted temperature range before next oil
changing
If SAE 10 W-30 or higher viscosity grade is
applied in extremely cold day, the engine
would be difficult to start. Thus, we
recommend you to use SAE 5 W-30.

API classified sign

ILSAC testify sign

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Oil identification sign
There is one (or two) API registration symbol
on some oil containers which are for
reference when selecting oil.
API classified sign can be on any part on the
outside a container. The upper part of the
sign is oil quality demonstrated by API, such
as SL. The middle part refers to SAE and
SUCH AS SAE10W-30. The lower part refers
to “Energy-Conserving”, denoting the oil is
capable of conserving energy.
The ILSAC testify sign is located on the
frontage of a container.

Check transmission oil level

AT

When engine normal run for a while, you can

check the oil level.

1．Drive the vehicle till the oil temperature get
to normal temperature （70~80℃）.
2. Park the car in the level ground.
3. Shift lever to every gear, pour the oil into

torque converter and hydraulic loop, and
then make the lever in the N position, and
keep normal idle and keep making parking
brake.
4．Pull out the dipstick (the handle colour is
light-blue) from transmission and clean it
with cloth.

HOT upper-lower limit COLD upper-lower

limit

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5．Ensure that insert the full dipstick into
transmission dipstick canal.
6． Pull out dipstick and check oil level.

7．If the oil level is less than HOT min. pour oil

from filler door to make it between hot
upper-lower limit.

Notice ： The warming up state is the
standard judging the transmission oil level.
The cooling state the oil level should be
between the COLD upper-lower limit. that is
only to refer.
Slowly and carefully adding the transmission
oil, and don’t make it overfilling. And you
should immediately clean the oil that is
overfilling. Because it can hurt the parts in
engine chamber.

You should use the BYD original ATF

（

MITSUBISHI ATF SPⅢ）。

If the ATF has the smell of burn, that means
transmission oil has been polluted by the
burned particle and friction material, and the
transmission need overhaul.

8．Ensure that insert the full dipstick into
transmission dipstick canal.
Replacing the ATF is according to the stated
driving time and mileage in the regular
maintenance table. Discharging the full ATF
from transmission and then pour the new
ATF.


If you don’t know how to pour the ATF,
contact the BYD AUTO authorized repair
store.

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MT
When the transmission temperature is 80℃，
and parking the vehicle in the level ground,
checking oil level. Release bolt which lie in
the transmission oil filler door, touch the oil
level in the hole of bolt with your hand. And
then oil level should lie in the margin of bolt
hole. Or you should add the BYD ATUO
original MTF till the oil overfills from filler door.
And then fasten the bolt of filler door.

You should immediately remove the
overfilling oil, because the overfilling oil will
hurt the part in engine chamber.

If you can’t buy the BYD AUTO original MTF,
the API gear oil is recommended as the
substitute. Refer to maintenance manual or
contact the BYD AUTO authorized repair

store, you will find its type.

Replacing transmission oil should be
according to the stated driving time and
mileage in the regular maintenance table.
And you should discharge the full oil from
transmission and pour the new transmission
oil.
If you don’t know how to check the oil level
and adding oil, contact the BYD AUTO
authorized repair store.

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Checking the engine coolant level

Look at the see-through coolant reservoir
when the engine is cooled. The coolant
level is satisfactory if it stays between the
“FULL” and “LOW” lines on the reservoir.
Upon a lower level, add the coolant. For
the coolant type, see “Coolant type
selection” described below.

The coolant level in the reservoir varies with
the engine temperature. However, if the level
goes above or below the “LOW” line, you
should add coolant to bring the level up to the
“FULL” line.
If the coolant level drops within a short time
after replenishing, there may be a leak in the
system. Visually check the radiator, hoses,
radiator cap and drain cock and water pump.
If no leak is found, contact your BYD AUTO
service station to test the cap pressure and
check whether the cooling system is leaking.

CAUTION

To prevent burns, do not remove the
radiator cap when the engine is hot.

Coolant type selection
Only use the coolant approved by BYD

AUTO and choose suitable coolant according
to the temperature.
Use improper coolant will destroy the engine
cooling system.

CAUTION

Do not use too much plain water in
winter, because engine cooling
system would be damaged in this way.

For details, please contact your BYD AUTO
service station.

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Checking the radiator and condenser
If any of the above parts are extremely dirty
or you are not sure of their condition, take
your vehicle to your BUD AUTO service
station.

CAUTION

To prevent burns, be careful not to
touch the radiator or condenser when
the engine is hot.

NOTICE

To prevent damaging the radiator and
condenser, do not perform the work by
yourself.

Checking tire inflation pressure
Keep your tire inflation pressures at a
proper level.
Refer to Section 8 for the recommended cold
tire inflation pressures and tire sizes.
You should check the tire inflation pressure
every two weeks, or at least once a month.
And do not forget the spare.
Incorrect tire inflation pressure may waste
fuel, reduce driving comfort, shorten tire life,
and make your vehicle less safe to drive.
If a tire frequently needs refilling, have it
checked by your BYD AUTO service station.

CAUTION

Keep your tires properly inflated.
Otherwise, the following conditions
may occur and cause an accident
resulting in serious injuries or deaths.
Low tire pressure (under-inflation):
●

Excessive wear

●

Abnormal wear

●

Poor handling

●

Possibility of blowouts from
overheated tire

●

Poor sealing of the tire bead

●

Wheel deformation and/or tire
separation

High tire pressure (over-inflation)
●

Poor handling

●

Excessive wear

●

A greater possibility of tire
damages from road hazards

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The following instructions for checking tire
inflation pressure should be observed:
●

The pressure should be checked only
when the tires are cold. If your vehicle
has been parked for at least 3 hours and
has not been driven for more than 1.5
km since, you will get an accurate cold
tire inflation pressure reading.

●

Always use a tire pressure gauge.
The appearance of a tire can be
misleading. Besides, the tire inflation
pressures that are even just a few
pounds off can degrade riding and
handling.

●

Do not exhaust or reduce tire
inflation pressure after driving. It is

normal for the tire inflation pressure to
be higher after driving.

●

Be sure to reinstall the tire valve caps.
Without the valve caps, dirt, or moisture
could get into the valve core and cause
air leakage. If the caps have been lost,
have new ones put on as soon as
possible.

Checking and replacing tires

Checking your tires
Check the tire’s tread for tread wear
indicators. If the indicators show, replace
the tires.
The tires on your BYD F3 have built-in tread
wear indicators to help you know when the
tires need replacement. When the tread
depth

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wears to 1.6 mm or less, you will see the
indication mark. If you find the indicators in
two or more adjacent grooves, the tire should
be replaced. The thinner the tread is, the
higher the risk of skidding is.
If the tire tread is worn to 4 mm or below,
the snow tire function will be lost.
If you have tire damage such as cuts,
splits, cracks deep enough to expose the
fabric, or bulges indicating internal
damage, the tire should be replaced.
If a tire often goes flat or can not be properly
repaired due to the size or location of a cut or
other damaged, it should be replaced. If you
are not
sure, consult your BYD AUTO service station.

If air loss occurs while driving, do not
continue driving. Driving even a short
distance can damage a tire beyond repair.

Any tires which are over 6 years old must
be checked by a qualified technician even
if the damage is not obvious.
Tires deteriorate with age even if they have
never or seldom been used.
This applies also to the spare tire and tires
stored for future use.

Replacing your tires
When replacing a tire, use a tire of the
same size and construction, and the same
or greater load capacity as the originally
installed one.
Using any other size or type of tire may

seriously affect handling, riding,
speedometer/odometer calibration, ground
clearance, clearance, and the clearance
between the body and tires or snow chains.

CAUTION

Observe the following instructions.
Otherwise, an accident may occur
resulting in serious injuries or deaths.
●

Do not mix radial, bias belted, or
bias-ply tires on your vehicle, as
this may cause dangerous
handling characteristics resulting
in loss of control.

●

Do not use tires other than the
manufacture’s recommended
size, as this may cause
dangerous handling
characteristics resulting in loss of
control.