1996 TOYOTA PASEO cooling

54
The gauge indicates the engine coolant
temperature when the ignition switch is
on. The engine operating temperature
will vary with changes in weather and
engine load.
If the needle moves into the red zone, your
engine is too hot. If your vehicle overheats,
stop your vehicle and allow the engine to
cool.
Your vehicle may overheat during severe
operating conditions, such as: Driving up a long hill on a hot day.
Reducing speed or stopping after high
speed driving.
Idling for a long period with the air con-
ditioning on in stop-and-go traffic.
NOTICE
Do not remove the thermostat in the engine cooling system as this
may cause the engine to overheat.
The thermostat is designed to con-trol the flow of coolant to keep the
temperature of the engine within the specified operating range.
Do not continue driving with anoverheated engine. See If your
vehicle overheatsº in Part 4.
The tachometer indicates engine speed
in thousands of rpm (revolutions per
minute). Use it while driving to select
correct shift points and to prevent en-
gine lugging and overrevving.
Driving with the engine running too fast
causes excessive engine wear and poor
fuel economy. Remember, in most cases
the slower the engine speed, the greater
the fuel economy.
NOTICE
Do not let the indicator needle get into the red zone. This may cause
severe engine damage.
Tachometer
Engine coolant temperature gauge

81
Heating
For best results, set controls to:
Fan speed ÐAny setting except OFFº
Temperature Ð Towards WARM
(red zone)
Air intake ÐFRESH (outside air)
Air flow ÐFLOOR
Air conditioning ÐOFF
For quick heating, select recirculated
air for a few minutes. To keep the win-
dows from fogging, select fresh after the vehicle interior has been warmed.
Press the A/Cº button on for dehumid-
ified heating.
Choose floor/windshield air flow to heat the vehicle interior while defrost-ing or defogging the windshield. Air conditioning For best results, set controls to:
Fan speed ÐAny setting except OFFº
Temperature Ð Towards COLD
(blue zone)
Air intake ÐFRESH (outside air)
Air flow ÐPANEL
Air conditioning ÐON For quick cooling, move the air intake
selector to recirculate for a few min-utes.
Ventilation
For best results, set controls to:
Fan speed ÐAny setting except OFFº
Temperature Ð Towards COLD
(blue zone)
Air intake ÐFRESH (outside air)
Air flow ÐPANEL
Air conditioning ÐOFF
Defogging The inside of the windshield For best results, set controls to:
Fan speed ÐAny setting except OFFº
Temperature Ð Towards WARM
(red zone) to heat; COLD (blue zone) to
cool
Air intake ÐFRESH (outside air)
Air flow ÐWINDSHIELD
Air conditioning ÐON
On humid days, do not blow cold air on
the windshieldÐthe difference be- tween the outside and inside tempera-
tures could make the fogging worse.
Defrosting The outside of the windshield For best results, set controls to:
Fan speed ÐAny setting except OFFº
Temperature Ð Towards WARM
(red zone)
Air intake ÐFRESH (outside air)
Air flow ÐWINDSHIELD
Air conditioning ÐOFF
To heat the vehicle interior while de-
frosting the windshield, choose floor/
windshield air flow.

90
Keep your engine in good running
order. Malfunctions in the engine
electrical system, electronic igni-tion system/distributor ignitionsystem or fuel systems could
cause an extremely high three-way catalytic converter tempera-ture.
If the engine becomes difficult to
start or stalls frequently, take yourvehicle in for a check-up as soon
as possible. Remember, your To- yota dealer knows your vehicleand its three-way catalytic con-
verter system best.
To ensure that the three-way cata-lytic converter and the entire emis-
sion control system operate prop- erly, your vehicle must receive theperiodic inspections required by
the Toyota Maintenance Schedule.
For scheduled maintenance infor-mation, refer to the separate Own-
er's Manual Supplement/Mainte-
nance Scheduleº.
CAUTION!
Avoid inhaling the engine exhaust.
It contains carbon monoxide,
which is a colorless and odorless
gas. It can cause unconsciousness
or even death.
Make sure the exhaust system has
no holes or loose connections. The system should be checked
from time to time. If you hit some-
thing, or notice a change in the
sound of the exhaust, have the
system checked immediately.
Do not run the engine in a garage
or enclosed area except for the
time needed to drive the vehicle in
or out. The exhaust gases cannot
escape, making this a particularly
dangerous situation.
Do not remain for a long time in a
parked vehicle with the engine run-
ning. If it is unavoidable, however,
do so only in an unconfined area
and adjust the heating or cooling
system to force outside air into the
vehicle. Keep the trunk lid closed while
driving. An open or unsealed trunk lid, may cause exhaust gases to be
drawn into the vehicle. If you must
drive with the trunk lid open to ac-
commodate a large object, close
the windows, open all the instru-
ment panel vents and have the
heating or cooling system deliver
fresh air into the vehicle by turning
the fan to high speed with the air in-
take control set at the outside airposition.
To allow proper operation of your
vehicle's ventilation system, keep
the inlet grilles in front of the wind-
shield clear of snow, leaves, or oth-
er obstructions.
If you smell exhaust fumes in the
vehicle, drive with the windows
open and the trunk lid cl osed. Have
the cause immediately located and corrected.
Engine exhaust cautions

91
FUNCTIONS OF ENGINE OIL
Engine oil has the primary functions of lu-
bricating and cooling the inside of the en-
gine,
and plays a major role in maintaining
the engine in proper working order. ENGINE OIL CONSUMPTION
It is normal that an engine should con-
sume some engine oil during normal
engine operation. The causes of oil
consumption in a normal engine are
as follows. Oil is used to lubricate pistons, piston
rings and cylinders. A thin film of oil isleft on the cylinder wall when a piston
moves downwards in the cylinder.
High negative pressure generated
when the vehicle is decelerating sucks
some of this oil into the combustion
chamber. This oil as well as some part
of the oil film left on the cylinder wall is
burned by the high temperature com-
bustion gases during the combustionprocess.
Oil is also used to lubricate the stems
of the intake valves. Some of this oil is
sucked into the combustion chamber
together with the intake air and is
burned along with the fuel. High tem-perature exhaust gases also burn the
oil used to lubricate the exhaust valve stems.
The amount of engine oil consumed
depends on the viscosity of the oil, the
quality of the oil and the conditions
the vehicle is driven under. More oil is consumed by high-speed driv-
ing and frequent acceleration and decel- eration.
A new engine consumes more oil, since
its pistons, piston rings and cylinder walls
have not become conditioned.
When judging the amount of oil con-
sumption, note that the oil may be-come diluted and make it difficult to
judge the true level accurately.
As an example, if a vehicle is used for re-
peated short trips, and consumes a nor- mal amount of oil, the dipstick may not
show any drop in the oil level at all, even after 1000 km (600 miles) or more. This is because the oil is gradually becoming
diluted with fuel or moisture, making it ap-
pear that the oil level has not changed. The diluting ingredients evaporate out
when the vehicle is then driven at high
speeds, as on an expressway, making itappear that oil is excessively consumed
after driving at high speeds.
IMPORTANCE OF ENGINE OIL LEVEL CHECK
One of the most important points in proper vehicle maintenance is to keep the engine
oil at the optimum level so that oil function
will
not be impaired. Therefore, it is essen-
tial that the oil level be checked regularly.
Toyota recommends that the oil level bechecked every time you refuel the vehicle.
Failure to check the oil level
regularly could lead to serious
engine trouble due to insuf ficient oil.
NOTICE
For detailed information on oil level check,
see Checking the engine oil levelº in Chapter 7-2.
Facts about engine oil consumption

106
If your engine stalls while driving
0
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. Try starting the engine again.
If the engine will not start, see If your ve-
hicle will not startº.
If the engine is not running, the
power assist for the brakes and
steering will not work so steering
and braking will be much harder
than usual. CAUTION
! If your engine coolant temperature
gauge indicates overheating, if you
experience 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 vehicle
and turn on your emergency flashers. Put
the transmission in Pº (automatic) or neu-
tral ( manual) and apply the parking brake.
Turn off the air conditioning if it is beingused.
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 andmake sure the electric cooling fan is oper-
ating. If it is not, turn the ignition off.
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. CAUTION
! 3. Visually
check to see if the engine drive
belt (water pump 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 beenused.
When the engine is running, keep
hands and clothing away from the
moving fan and engine drive belts. CAUTION
!
4. If the engine drive belt is broken or the
coolant is leaking, stop the engine imme-
diately. Call a Toyota dealer for assis- tance.
5. If the engine drive belt is O.K. and there are no obvious leaks, check the
coolant reservoir. If it is dry, add coolant to
the reservoir while the engine is running. Fill it about half full.
Do not attempt to remove the radia-
tor cap when the engine and radia-
tor are hot. Serious injury could re-
sult from scalding hot fluid and
steam blown out under pressure. CAUTION
!
If your engine stalls while driving
If your vehicle overheats

1301. Power steering fluid reservoir
2. Engine oil filler cap
3. Engine oil level dipstick
4. Brake fluid reservoir
5. Fuse blocks
6. Windshield washer fluid tank
7. Battery
8. Engine coolant reservoir
9. Electric cooling fans
Engine compartment overview

133
Be sure that the ignition is off if you
work near the electric cooling fans
or radiator grille. With the ignition
on, the electric cooling fans will
automatically start to run if the en-
gine coolant temperature is high
and/or the air conditioning is on.
Use eye protection whenever you
work on or under your vehicle
where you may be exposed to fly-
ing or falling material, fluid spray,etc.
Used engine oil contains potential-
ly harmful contaminants which
may cause skin disorders such as
inflammation or skin cancer, so
care should be taken to avoid pro-
longed and repeated contact with
it. To remove used engine oil from
your skin, wash thoroughly with
soap and water.
Do not leave used oil within the reach of children.Dispose of used oil and filter only
in a safe and acceptable manner.
Do not dispose of used oil and fil-
ter in household trash, in sewers or
onto the ground. Call your dealer
or a service station for information
concerning recycling or disposal.

Remember that battery and igni- tion cables carry high currents or
voltages. Be careful of accidental-ly causing a short circuit.
Add only demineralized or dis-tilled water to fill the radiator. Andif you spill some of the coolant, besure 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 plugholes.
Do not pry the outer electrode of aspark plug against the center elec-
trode.
NOTICE
Use only spark plugs of the speci-fied type. Using other types will
cause engine damage, loss of per-formance or radio noise.
Do not overfill automatic transmis- sion fluid, or the transmission could
be damaged.
Do not drive with the air cleaner fil- ter removed, or excessive engine
wear could result. Also backfiringcould cause a fire in the engine
compartment.
Be careful not to scratch the glasssurface with the wiper frame.
When closing the engine hood,
check to see that you have not for-gotten any tools, rags, etc.

137
Look at the see-through coolant res-
ervoir when the engine is cold. The
coolant level is satisfactory if it is be-
tween the FULLº and LOWº lines on
the reservoir. If the level is low, add
ethylene-glycol type coolant.
The coolant level in the reservoir will vary
with engine temperature. However, if the
level is on or below the LOWº line, add
coolant. Bring the level up to the FULLº line. Use only ethylene-glycol type coolant. See information in the next column.
If the coolant level drops within a short
time after replenishing, there may be a
leak in the system. Visually check the ra-
diator, hoses, radiator cap
and drain cock
and water pump.
If you can find no leak, have your Toyota
dealer test the cap pressure and check for
leaks in the cooling system.
To prevent burning yourself, do not remove the radiator cap when the
engine is hot.
CAUTION! Coolant type selection
Your coolant must contain ethylene-gly-
col antifreeze. In addition to preventingfreezing and subsequent damage to the
engine, this will also prevent corrosion. Further supplemental inhibitors or addi-
tives are neither needed nor recom- mended.
Read
the antifreeze container for informa-
tion on freeze protection. Follow the
manufacturer 's directions for how much
to mix with water. The total capacity of the
cooling system is given in Part 8. We rec- ommend 50% solution be used for your
Toyota, or a sufficient quantity to provideprotection to about -35 C (-31 F).
Do not use alcohol type antifreeze
or plain water alone.
NOTICE
Type A
Type B
Checking brake fluid
Checking the engine coolant level