TOYOTA T100 1997 Owners Manual

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177
To equalize tire wear and help extend
tire life, Toyota recommends that you
rotate your tires approximately every
12000 km (7500 miles). However, the
most appropriate timing for tire rota-
tion may vary according to your driv-
ing habits and road surface condi- tions.
See If you have a flat tireº in Part 4 for tire
change procedure. When rotating tires, check for even wear
and damage. Abnormal wear is usually
caused by incorrect tire pressure, improp-
er wheel alignment, out-of-balance
wheels, or severe braking. WHEN TO USE SNOW TIRES OR CHAINS
Snow tires or chains are recom-
mended when driving on snow or ice.
On wet or dry roads, conventional tires
provide better traction than snow tires. SNOW TIRE SELECTION
If you need snow tires, the same size, construction and load capacity as the
original tires on your Toyota.
Do not use tires other than those men-
tioned above. Do not install studded tires
without first checking local regulations for
possible restrictions.
SNOW TIRE INSTALLATION
Snow tires should be installed on all wheels.
Installing snow tires on the rear wheels
only can lead to an excessive difference
in road grip capability between the front
and rear tires which could cause loss of
vehicle control.
When storing removed tires, you should
store them in a cool dry place.
Mark the direction of rotation and be sure to install them in the same direction when replacing.
Rotating tires
Installing snow tires and chains

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178
CAUTION
Do not drive with the snow tires in- correctly inflated.
Never drive over 120 km/h (75 mph)
with any type of snow tires.!
TIRE CHAIN SELECTION Use the tire chains of correct size.
Regulations regarding the use of tire
chains vary according to location or
type of r oad, so always check them be-
fore installing chains.
CHAIN INSTALLATION
Install the chains on the rear tires as
tightly as possible. Do not use tire
chains on the front tires. Retighten
chains after driving 0.5 '1.0 km
(1/4 '1/2 mile).
When installing chains on your tires, care- fully follow the instructions of the chain
manufacturer.
If wheel covers are used, they will be
scratched by the chain band, so removethe covers before putting on the chains.
Do not exceed 50 km/h (30 mph) or
the chain manufacturer's recom-
mended speed limit, whichever is
lower.
Drive carefully avoiding bumps,
holes, and sharp turns, which may cause the vehicle to bounce.
Avoid sharp turns or locked-wheel
braking, as use of chains may ad- versely affect vehicle handling.
CAUTION! WHEN TO REPLACE YOUR WHEELS
If you have wheel damage such as
bending, cracks or heavy corrosion,
the wheel should be replaced.
If you fail to replace damaged wheels, the
tire may slip off the wheel or they may cause loss of handling control. WHEEL SELECTION
When replacing wheels, care should
be taken to ensure that the wheels are
replaced by ones with the same load
capacity, diameter, rim width, and off- set.
Correct
replacement wheels are available
at your Toyota dealer.
A wheel of a different size or type may ad-
versely affect handling, wheel and bear-
ing life, brake cooling, speedometer/
odometer calibration, stopping ability,
headlight aim, bumper height, vehicle
ground clearance, and tire or snow chain clearance to the body and chassis.
Replacement with used wheels is not rec-
ommended as they may have been sub- jected to rough treatment or high mileageand could fail without warning. Also, bent
wheels which have been straightened
may have structural damage and there-
fore should not be used. Never use an in-
ner tube in a leaking wheel which is de-
signed for a tubeless tire.
Replacing wheels

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179

After driving your vehicle the first 1600
km (1000 miles), check that the wheel
nuts are tight.
If you have repaired, or changed your
tires, check that the wheel nuts are still
tight after driving 1600 km (1000miles).
When using tire chains, be careful not
to damage the aluminum wheels.
Use only the Toyota wheel nuts and
wrench designed for your aluminumwheels.
When balancing your wheels, use only
Toyota balance weights or equivalent
and a plastic or rubber hammer.
As with any wheel, periodically checkyour aluminum wheels for damage. If
damaged, replace immediately.
Aluminum wheel precautions

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180

Page 185 of 212

Part 7Checking battery conditionÐ ÐPrecautions
181
DO-IT-YOURSELF MAINTENANCEÐ
Chapter 7-3 Electrical components
Checking battery condition
Battery recharging precautions
Checking and replacing fuses
Adding washer fluid
Replacing light bulbs
BATTERY PRECAUTIONS
The battery produces flammable
and explosive hydrogen gas.
Do not cause a spark from the bat-
tery with tools.
Do not smoke or light a match near
the battery.
The electrolyte contains poisonous
and corrosive sulfuric acid. Avoid contact with eyes, skin or clothes.
Never ingest electrolyte.
Wear protective safety glasses
when working near the battery.
Keep children away from the bat-
tery.
EMERGENCY MEASURES If electrolyte gets in your eyes,
flush your eyes with clean water
for 15 minutes and get immediate
medical attention. If possible, con-
tinue to apply water with a sponge
or cloth while en route to the medi-cal office. CAUTION
!
If electrolyte gets on your skin,
thoroughly wash the contact area.
If you feel pain or burning, get
medical attention immediately.
If electrolyte gets on your clothes,
there is a possibility of its soaking
through to your skin, so immedi- ately take off the exposed clothing
and follow the procedure above, if
necessary.
If you happen to swallow electro-
lyte, drink a large quantity of water
or milk. Follow with milk of mag-
nesia, beaten raw egg or vegetable
oil. Then go immediately for emer-
gency help.

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182
Check the battery for corroded or
loose terminal connections, cracks, or
loose hold-down clamp.
a. If the battery is corroded, wash it offwith a solution of warm water and bak-
ing soda. Coat the outside of the termi- nals with grease to prevent further cor-rosion.
b. If the terminal connections are loose, tighten their clamp nuts±but do notovertighten.
c. Tighten the hold-down clamp only enough to keep the battery firmly inplace. Overtightening may damage the battery case.
NOTICE
Be sure the engine and all acces-
sories are off before performing
maintenance.
When checking the battery, re-move the ground cable from the
negative terminal (-º mark) first
and reinstall it last.
Take care no solution gets into thebattery when washing it.
Be careful not to cause a short cir-cuit with tools.
There are two types of batteries: Main-
tenance type and non-maintenance type. A non-maintenance battery has MAIN-
TENANCE FREE BATTERYº on its top. A
maintenance type battery does not havesuch indication. Maintenance type batteryÐ Check the fluid condition by the fluid level
lines on the side of the battery. Or if the
battery has a hydrometer on its top, you
can also check the hydrometer. Non-maintenance batteryÐ
Check the battery condition by the
hydrometer on the top of the battery.
ÐChecking battery exterior
ÐChecking battery fluid

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183
CHECKING BY THE FLUID LEVEL
LINES (MAINTENANCE TYPE BAT-
TERY ONLY)
The fluid (electrolyte) level must be be-
tween the upper and lower lines.
When checking the fluid level, look at all six cells, not just one or two.
If the level is lower than the lower line, add
distilled water. (See ADDING DIS-
TILLED WATERº.)CHECKING BY THE HYDROMETER Check the battery condition by the
hydrometer color. Maintenance type batteryHydrometer color
ConditionType AType BCondition
GREENBLUEGood
DARKWHITECharging necessary. Have battery checked
by your Toyota dealer.
CLEAR or LIGHT YELLOWREDAdd distilled water*
*: See ADDING DISTILLED WATERº. Non-maintenance battery
Hydrometer color
ConditionType AType BCondition
GREENBLUEGood
DARKWHITECharging necessary. Have battery checked
by your Toyota dealer.
CLEAR or LIGHT YELLOWREDHave battery checked
by your Toyota dealer.
NOTICE
Do not refill the battery with water.

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184
ADDING DISTILLED WATER (MAINTE-
NANCE TYPE BATTERY ONLY)
1. Remove the vent plugs.
2. Add distilled water to cells needingfluid.
If the side of your battery is covered,
check the water level by looking down di-
rectly above the cell as illustrated above.
3. Retighten the vent plugs securely.
NOTICE
Do not overfill the cells. Excess electrolyte could squirt out of the
battery during heavy charging,causing corrosion or damage.During recharging, the battery is pro-
ducing hydrogen gas. Therefore, before recharging:
1. Maintenance type batteriesÐRemove the vent plugs.
2. If recharging with the battery installed on the vehicle, be sure to disconnect the ground cable.
3. Be sure the power switch on the re- charger is off when connecting the
charger cables to the battery and
when disconnecting them.
Always charge the battery in an
unconfined area. Do not charge
the battery in a garage or closed
room where there is not sufficient ventilation.
Non-maintenance batteries: Only
do a slow charge (5A or less).
Charging at a quicker rate is dan-
gerous. The battery may explode,
causing personal injuries.
Maintenance type batteries: Be sure to remove the vent plugs be-fore recharging. CAUTION
!
Battery recharging precautions

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185
NOTICE
Never recharge the battery while the
engine is running. Also, be sure all
accessories are turned off.
If the headlights or other electrical
components do not work, check the
fuses. If any of the fuses are blown,
they must be replaced.
See Fuse locationsº in Chapter 7-1 for
locations of the fuses.
Turn the ignition switch and inopera-
tive component off. Pull a suspected
fuse straight out and check it.
Determine wh ich fuse may be causing the
problem. The lid of the fuse box shows the name of the circuit for each fuse. See Part 8 of this manual for the functions con-
trolled by each circuit.
Type A fuses can be pulled out by the pull-
out tool.
Checking and replacing fuses

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186If you are not sure whether the fuse has
blown, try replacing the suspected fuse with one that you know is good.
If the fuse has blown, push a new fuse
into the clip.
Only install a fuse with the amperage rat-
ing designated on the fuse box lid.
If you do not have a spare fuse, in an
emergency you can pull out the CIGº,
RADIOº, DOMEº or A/Cº fuse, whichmay be dispensable for normal driving, and use it if its amperage rating is the same.
If you cannot use one of the same amper-
age, use one that is lower, but as close as
possible to the rating. If the amperage is
lower than that specified, the fuse might
blow out again but this does not indicate
anything
wrong. Be sure to get the correct
fuse as soon as possible and return the
substitute to its original clip.
It is a good idea to purchase a set of spare
fuses and keep them in your vehicle for emergencies.
If the new fuse immediately blows out, there is a problem with the electrical sys-
tem. Have your Toyota dealer correct it as
soon as possible.
Never use a fuse with a higher am-
perage rating, or any other object, in
place of a fuse. This may cause ex-
tensive damage and possibly a fire. CAUTION
!
If any washer does not work, the wash-
er tank may be empty. Add washer fluid.
You may use plain water as washer fluid.
However, in cold areas where tempera-
tures range below freezing point, use
washer fluid containing antifreeze. This
product is available at your Toyota dealer
and most auto parts stores. Follow the
manufacturer 's directions for how much
to mix with water.
NOTICE
Do not use engine antifreeze or any other substitute because it may
damage your vehicle's paint.
Adding washer fluid

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