coolant reservoir TOYOTA AVENSIS 2014 Owners Manual (in English)

522 4-3. Do-it-yourself maintenance
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CAUTION
When working near the electric cooling fan or radiator grille
Vehicles with smart entry & start system
Be sure the “ENGINE START STOP” switch is OFF.
With the “ENGINE START STOP” switch in IGNITION ON mode, the
electric cooling fan may automatically start to run if the air conditioning is
on and/or the coolant temperature is high. (P. 538)
Vehicles without smart entry & start system
Be sure the engine switch is in the “LOCK” position.
With the engine switch in the “ON” position, the electric cooling fan may
automatically start to run if the air conditioning is on and/or the coolant
temperature is high. (P. 538)
Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.
NOTICE
If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.
If the brake fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, it may indicate a serious problem.

527
4-3. Do-it-yourself maintenance
4
Maintenance and care
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Engine compartment
Gasoline engine
Washer fluid tank (P. 542)
Engine coolant reservoir
(P. 536)
Engine oil filler cap
(P. 532)
Engine oil level dipstick
(P. 530)Battery (P. 538)
Fuse box (P. 560)
Cooling fan
Condenser (P. 538)
Radiator (P. 538)

528 4-3. Do-it-yourself maintenance
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Diesel engine
Washer fluid tank (P. 542)
Engine coolant reservoir
(P. 536)
Engine oil level dipstick
(P. 530)
Engine oil filler cap
(P. 532)Fuel filter (P. 543, 718)
Fuse box (P. 560)
Battery (P. 538)
Cooling fans
Condenser (P. 538)
Intercooler (P. 538)
Radiator (P. 538)

536 4-3. Do-it-yourself maintenance
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Engine coolant
The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the engine is cold.
Gasoline engine
Reservoir cap
“FULL”
“LOW”
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
Diesel engine
Reservoir cap
“FULL”
“LOW”
If the level is on or below the
“LOW” line, add coolant up to the
“FULL” line.
If the coolant level drops within a short time after replenishing
Visually check the radiator, hoses, reservoir cap, radiator cap, drain cock
and water pump.
If you cannot find a leak, have any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional, test the cap and check for
leaks in the cooling system.

537 4-3. Do-it-yourself maintenance
4
Maintenance and care
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Coolant selection
Only use “Toyota Super Long Life Coolant” or similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mixture of 50% coolant and 50%
deionized water. (Enabled: -35C [-31F])
For more details about engine coolant, contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
CAUTION
When the engine is hot
Do not remove the coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
When adding engine coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
If you spill coolant
Be sure to wash it off with water to prevent damage to parts or paint.

5
715 5-2. Steps to take in an emergency
When trouble arises
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The coolant level is satisfac-
tory if it is between the “FULL”
and “LOW ” lines on the reser-
voir. (P. 536)
Reservoir
“FULL”
“LOW ”
Add coolant if necessary.
Water can be used in an emer-
gency if engine coolant is
unavailable. (P. 737)
Start the engine and turn the air conditioning system on to
check that the radiator cooling fan operates and to check
for coolant leaks from the radiator or hoses.
The fan operates when the air conditioning system is turned on
immediately after a cold start. Confirm that the fan is operating by
checking the fan sound and air flow. If it is difficult to check these,
turn the air conditioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
STEP4
STEP5
STEP6

716 5-2. Steps to take in an emergency
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CAUTION
To prevent an accident or injury when inspecting under the hood of
your vehicle
If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot, caus-
ing serious injury such as burns.
Keep hands and clothing (especially a tie, a scarf or a muffler) away from
the fan and belts. Failure to do so may cause the hands or clothing to be
caught, resulting in serious injury.
Do not loosen the coolant reservoir cap while the engine and radiator are
hot.
Serious injury, such as burns, may result from hot coolant and steam
released under pressure.
If the fan is not operating:
Stop the engine immediately and contact any authorized
Toyota dealer or repairer, or another duly qualified and
equipped professional.
If the fan is operating:
Have the vehicle inspected at the nearest authorized
Toyota dealer or repairer, or another duly qualified and
equipped professional.STEP7