engine TOYOTA SEQUOIA 2001 Service Repair Manual

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To avoid serious personal injury and
damage to your vehicle which might re-
sult from battery explosion, acid burns,
electrical burns, or damaged electronic
components, these instructions must be
followed precisely.
If you are unsure about how to follow this
procedure, we strongly recommend that
you seek the help of a competent me-
chanic or towing service.
CAUTION

Batteries contain sulfuric acid
which is poisonous and corrosive.
Wear protective safety glasses when
jump starting, and avoid spilling
acid on your skin, clothing, or ve-
hicle.

If you should accidentally get acid
on yourself or in your eyes, remove
any contaminated clothing and flush
the affected area with water imme-
diately. Then get immediate medical
attention. If possible, continue to
apply water with a sponge or cloth
while en route to the medical office.

The gas normally produced by a
battery will explode if a flame or
spark is brought near. Use only
standardized jumper cables and do
not smoke or light a match while
jump starting.
NOTICE
The battery used for boosting must
be 12 V. Do not jump start unless you
are sure that the booster battery is
correct.
JUMP STARTING PROCEDURE
1. If the booster battery is installed in
another vehicle, make sure the vehicles
are not touching. Turn off all unneces-
sary lights and accessories.
When boosting, use the battery of
matching or higher quality. Any other
battery may be difficult to jump start
with.
If jump starting is difficult, charge the
battery for several minutes.
2. If required, remove all the vent plugs
from the booster and discharged batter-
ies. Lay a cloth over the open vents
on the batteries. (This helps reduce the
explosion hazard, personal injuries and
burns.)
3. If the engine in the vehicle with the
booster battery is not running, start it
and let it run for a few minutes. During
jump starting run the engine at about
2000 rpm with the accelerator pedal
lightly depressed.
(c) Jump starting

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Discharged battery
Booster
battery
Positive
terminal
(ª+º mark)Jumper
cablePositive terminal
(ª+º mark)
4. Make the cable connections in the or-
der a, b, c, d.
a. Connect the clamp of the positive
(red) jumper cable to the positive (+)
terminal on the discharged battery.
b. Connect the clamp at the other end
of the positive (red) jumper cable to
the positive (+) terminal on the booster
battery.
Jumper cable
Booster
battery
Negative terminal (ª±º mark) Discharged
battery
c. Connect the clamp of the negative
(black) jumper cable to the negative (±)
terminal on the booster battery.
d. Connect the clamp at the other end
of the negative (black) jumper cable to
a solid, stationary, unpainted, metallic
point of the vehicle with the discharged
battery.
The recommended connecting point is
shown in the following illustration:Connecting point
Do not connect the cable to or near
any part that moves when the engine
is cranked.
CAUTION
When making the connections, to
avoid serious injury, do not lean over
the battery or accidentally let the
jumper cables or clamps touch any-
thing except the correct battery termi-
nals or the ground.

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5. Charge the discharged battery with the
jumper cables connected for approxi-
mately 5 minutes. At this time, run the
engine in the vehicle with the booster
battery at about 2000 rpm with the ac-
celerator pedal lightly depressed.
6. Start your engine in the normal way.
After starting, run it at about 2000 rpm
for several minutes with the accelerator
pedal lightly depressed.
7. Carefully disconnect the cables in the
exact reverse order: the negative cable
and then the positive cable.
8. Carefully dispose of the battery cover
clothsÐthey may now contain sulfuric
acid.
9. If removed, replace all the battery vent
plugs.
If the cause of your battery discharging is
not apparent (for example, lights left on),
you should have it checked at your Toyota
dealer.If the first start attempt is not success-
ful...
Check that the clamp on the jumper
cables are tight. Recharge the discharged
battery with the jumper cables connected
for several minutes and restart your en-
gine in the normal way.
If the another attempt is not successful,
the battery may be depleted. Have it ch-
ecked at any authorized Toyota dealer or
repairer, or another duly qualified and
equipped professional.If your engine stalls while driving...
1. Reduce your speed gradually, keeping
a straight line. Move cautiously off the
road to a safe place.
2. Turn on your emergency flashers.
3. Turn the ignition key to ªACCº or
ªLOCKº, and try starting the engine
again.
If the engine will not start, see ªIf your
vehicle will not startº on page 382 in this
Section.
CAUTION
If the engine is not running, the pow-
er assist for the brakes and steering
will not work so steering and braking
will be much harder than usual.
If your engine stalls while
driving

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If engine speed does not increase when
the accelerator pedal is depressed, there
may be a problem somewhere in the elec-
tronic throttle control system.
At this time, vibration may occur. Howev-
er, if you depress the accelerator pedal
more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle
checked by your Toyota dealer as soon as
possible.
Even if the abnormality of the electronic
throttle control system is corrected during
low speed driving, the system may not be
recovered until the engine is stopped and
the ignition key is turned to ªACCº or
ªLOCKº position.
CAUTION
Be especially careful to prevent erro-
neous pedal operation.
If your engine coolant temperature
gauge indicates overheating, if you ex-
perience a loss of power, or if you hear
a loud knocking or pinging noise, the
engine has probably overheated. You
should follow this procedure...
1. Pull safely off the road, stop the ve-
hicle and turn on your emergency
flashers. Put the transmission in ªPº
and apply the parking brake. Turn off
the air conditioning if it is being used.
2. If coolant or steam is boiling out of the
radiator or reservoir, stop the engine.
Wait until the steam subsides before
opening the hood. If there is no coolant
boiling over or steam, leave the engine
running.
CAUTION
To help avoid personal injury, keep
the hood closed until there is no
steam. Escaping steam or coolant is
a sign of very high pressure.
3. Visually check to see if the engine
drive belt (fan belt) is broken or loose.
Look for obvious coolant leaks from the
radiator, hoses, and under the vehicle.
However, note that water draining from
the air conditioning is normal if it has
been used.
CAUTION
When the engine is running, keep
hands and clothing away from the
moving fan and engine drive belts.
4. If the engine drive belt is broken or the
coolant is leaking, stop the engine im-
mediately. Call a Toyota dealer for as-
sistance.
5. If the engine drive belt is O.K. and
there are no obvious leaks, you may
help the engine cool down more quickly
by running it at about 1500 rpm for a
few minutes with the accelerator pedal
lightly depressed.
6. Check the coolant reservoir. If it is dry,
add coolant to the reservoir while the
engine is running. Fill it about half full.
For the coolant type, see ªCoolant type
selectionº on page 427 in Section 7±2.
If you cannot increase engine
speedIf your vehicle overheats

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CAUTION
Do not attempt to remove the radiator
cap when the engine and radiator are
hot. Serious injury could result from
scalding hot fluid and steam blown
out under pressure.
7. After the engine coolant temperature
has cooled to normal, again check the
coolant level in the reservoir. If neces-
sary, bring it up to half full again. Seri-
ous coolant loss indicates a leak in the
system. You should have it checked as
soon as possible at your Toyota dealer.
1. Reduce your speed gradually,
keeping a straight line. Move cau-
tiously off the road to a safe place
well away from the traffic. Avoid
stopping on the center divider of
a highway. Park on a level spot
with firm ground.
2. Stop the engine and turn on your
emergency flashers.
3. Firmly set the parking brake and
put the transmission in ªPº.
4. Have everyone get out of the ve-
hicle on the side away from traffic.
5. Read the following instructions
thoroughly.CAUTION
When jacking, be sure to observe
the following to reduce the possi-
bility of personal injury:

Follow jacking instructions.

Do not put any part of your
body under the vehicle sup-
ported by the jack. Otherwise,
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 ªPº. Block the wheel diago-
nally opposite to the one being
changed if necessary.
If you have a flat tireÐ

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Make sure to set the jack prop-
erly in the jack point. Raising
the vehicle with jack improper-
ly positioned will damage the
vehicle or may allow the ve-
hicle to fall off the jack and
cause personal injury.

Never get under the vehicle
when the vehicle is supported
by the jack alone.

Use the jack only for lifting
your vehicle during wheel
changing.

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.

Raise the vehicle only high
enough to remove and change
the tire.NOTICE

Do not continue driving with
a deflated tire. Driving even a
short distance can damage a
tire and wheel beyond repair.

Vehicles with rear height con-
trol air suspension system:
When jacking up or installing
tire chains, be sure to set
manual control mode by
pushing the mode select
switch and stop the engine.
Otherwise, the vehicle height
may change because of the
automatic leveling function,
resulting in an accident.
1. Get the required tools under the
right side second seat and
spare tire.
1. Tool bag
2. Jack
To get the tools, you need to fold up
the right side second seat. As for the
operation of folding up the seat, see
ªÐTumbling second seats for luggage
spaceº on page 52 in Section 1±3.
To prepare yourself for an emergency,
you should familiarize yourself with
the use of the jack, each of the tools
and their storage locations.
Ð R eq u ired to o ls an d sp are
tire

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NOTICE
If you rock your vehicle, observe the
following precautions to prevent dam-
age to the transmission and other
parts.

Do not depress the accelerator ped-
al while shifting the selector lever
or before the transmission is com-
pletely shifted to forward or reverse
gear.

Do not race the engine and avoid
spinning the wheels.

If your vehicle remains stuck after
rocking the vehicle several times,
consider other ways such as tow-
ing.
(a) Towing with wheel lift type truckÐ
ÐFrom front
ÐFrom rear
(b) Using flat bed truck
Two±wheel drive models(a) Towing with wheel lift type truckÐ
ÐFrom front
ÐFrom rear
(b) Using flat bed truck
Four±wheel drive models
If your vehicle needs to be
towedÐ

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A driver must be in the vehicle to steer
it and operate the brakes.
Towing in this manner may be done only
on hard±surfaced roads for a short dis-
tance and at low speeds. Also, the
wheels, axles, drive train, steering and
brakes must all be in good condition.
CAUTION
Use extreme caution when towing the
vehicle. Avoid sudden starts or errat-
ic driving maneuvers which would
place excessive stress on the emer-
gency towing hook and towing cable
or chain. The hook and towing cable
or chain may break and cause serious
injury or damage.
NOTICE
Use only a cable or chain specifically
intended for use in towing vehicles.
Securely fasten the cable or chain to
the towing hook provided.
Before towing, release the parking brake,
put the transmission in ªNº and as to the
four±wheel drive models, moreover, set
the transfer in ª2WDº mode. The key must
be in ªACCº (engine off) or ªONº (engine
running).
CAUTION
If the engine is not running, the pow-
er assist for the brakes and steering
will not work so steering and braking
will be much harder than usual.

Before emergency towing, check that
the hook is not broken or damaged and
that the installation bolts are not loose.

Fasten the towing cable or chain se-
curely to the hook.

Do not jerk the hook. Apply steady and
even force.

To avoid damaging the hook, do not
pull from the side or at a vertical
angle. Always pull straight ahead.
ÐEmergency towing hook
precautions

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CAUTION
If the emergency towing hook is used
to get out when your vehicle becomes
stuck in mud, sand or other condition
from which the vehicle cannot be
driven out under its own power, make
sure to observe the precautions men-
tioned below. Otherwise, excessive
stress will be put on the hook and
the towing cable or chain may break,
causing serious injury or damage.

If the towing vehicle can hardly
move, do not forcibly continue the
towing. Contact your Toyota dealer
or a commercial tow truck service
for assistance.

Tow the vehicle as straight ahead
as possible.

Keep away from the vehicle during
towing.
The following methods are effective to
get out when your vehicle is stuck in
mud, sand or other condition from
which the vehicle cannot be driven out
under its own power. Use extreme cau-
tion when towing vehicles. In addition,
keep away from the vehicles and towing
cable or chain when towing.

Remove the soil and sand in the front
and the back of the tires.

Place a stone or wood under the tires.You can purchase a new key at your
Toyota dealer if you can give them the
key number and master key.
Even if you lose only one key, contact
your Toyota dealer to make a new key. If
you lose all your master keys, you cannot
make new keys; the whole engine immobi-
lizer system must be replaced.
See the suggestion given in ªKeysº on
page 14 in Section 1±2.
If your keys are locked in the vehicle and
you cannot get a duplicate, many Toyota
dealers can still open the door for you,
using their special tools. If you must
break a window to get in, we suggest
breaking the smallest side window be-
cause it is the least expensive to replace.
Be extremely cautious to avoid cuts from
the glass.
ÐTips for towing a stuck
vehicleIf you lose your keys

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Check the interior of your vehicle. Wa-
ter and dirt can accumulate under the
floor mats and could cause corrosion. Oc-
casionally check under the mats to make
sure the area is dry. Be particularly care-
ful when transporting chemicals, cleans-
ers, fertilizers, salt, etc; these should be
transported in proper containers. If a spill
or leak should occur, immediately clean
and dry the area.
Use mud shields on your wheels. If you
drive on salted or gravel roads, mud
shields help protect your vehicle. Full±size
shields, which come as near to the ground
as possible, are the best. We recommend
that the fittings and the area where the
shields are installed be treated to resist
corrosion. Your Toyota dealer will be
happy to assist in supplying and installing
the shields if they are recommended for
your area.
Keep your vehicle in a well ventilated
garage or a roofed place. Do not park
your vehicle in a damp, poorly venti-
lated garage. If you wash your vehicle in
the garage, or if you drive it covered with
water or snow, your garage may be so
damp as to cause corrosion. Even if your
garage is heated, a wet vehicle can cor-
rode if the ventilation is poor.Washing your Toyota
Keep your vehicle clean by regular
washing.
The following cases may cause weakness
to the paint or corrosion to the body and
parts. Wash your vehicle as soon as pos-
sible.

When driving in a coastal area

When driving on a road sprinkled with
antifreeze

When exposed to coal tar, tree sap,
bird droppings and carcass of an insect

When driving in areas where there is
a lot of smoke, soot, dust, iron dust or
chemical substances

When the vehicle becomes remarkably
dirty with dust and mud
Hand±washing your Toyota
Work in the shade and wait until the
vehicle body is not hot to the touch.
CAUTION
When cleaning under floor or chassis,
be careful not to injure your hands.
1. Rinse off loose dirt with a hose. Re-
move any mud or road salt from the
underside of the vehicle or in the
wheel wells.
2. Wash with a mild car±wash soap,
mixed according to the manufacturer 's
instructions. Use a soft cotton mitt and
keep it wet by dipping it frequently into
the wash water. Do not rub hardÐlet
the soap and water remove the dirt.
Fuel filler door: Do not apply water (high±
pressure car wash, for example) at or
near the fuel tank inlet with the fuel filler
door opened. If the water enters the air
vent, you may experience trouble with re-
fueling or rough engine idling.
Plastic wheel ornaments: The plastic
wheel ornaments are damaged easily by
organic substances. If any organic sub-
stances splashes an ornament, be sure to
wash it off with water and check if the
ornament is damaged.
CAUTION
Do not attach the heavily damaged
plastic wheel ornament. It may fly off
the wheel and cause accidents while
the vehicle is moving.
Washing and waxing your
To y o t a