Get When trouble arises -> If your vehicle overheats Guide for Toyota 4 Runner SUV Fifth Generation (2010-2024)

519

7-2. Steps to take in an emergency

If your vehicle overheats

The following may indicate that your vehicle is overheating:

● The needle of the engine coolant temperature gauge (P. 88)

enters the red zone or a loss of engine power is experienced.

(For example, the vehicle speed does not increase.)

● Steam comes out from under the hood.

Correction procedures

1

Stop the vehicle in a safe place and turn off the air conditioning sys-

tem, and then stop the engine.

2

If you see steam:

Carefully lift the hood after the steam subsides.

If you do not see steam:

Carefully lift the hood.

3

After the engine has cooled

down sufficiently, inspect the

hoses and radiator core (radia-

tor) for any leaks.

Radiator

1

2

Cooling fan

7

If a large amount of coolant leaks,

immediately contact your Toyota

dealer.

4

The coolant level is satisfactory

if it is between the “F” and “L”

lines on the reservoir.

Reservoir

“F” line

1

2

3

4

“L” line

Radiator cap

4RUNNER (U)

520

7-2. Steps to take in an emergency

5

Add engine coolant if neces-

sary. (P. 414)

Water can be used in an emer-

gency if engine coolant is unavail-

able.

6

7

Start the engine to check that the radiator cooling fan operate and

to check for coolant leaks from the radiator or hoses.

If the fan are not operating:

Stop the engine immediately and contact your Toyota dealer.

If the fan are operating:

Have the vehicle inspected at the nearest Toyota dealer.

WARNING

■When inspecting under the hood of your vehicle

Observe the following precautions.

Failure to do so may result in serious injury such as burns.

●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.

●Keep hands and clothing (especially a tie, a scarf or a muffler) away from

the fans and belts.

●Do not loosen the radiator cap and the

coolant reservoir cap while the engine

and radiator are hot.

High temperature steam or coolant

could spray out.

4RUNNER (U)

521

7-2. Steps to take in an emergency

NOTICE

■When adding engine coolant

Wait until the engine has cooled down before adding engine coolant.

When adding coolant, do so slowly. Adding cool coolant to a hot engine too

quickly can cause damage to the engine.

■To prevent damage to the cooling system

Observe the following precautions:

●Avoid contaminating the coolant with foreign matter (such as sand or dust

etc.).

●Do not use any coolant additives.

7

4RUNNER (U)

When trouble arises -> If your vehicle overheats for Your Toyota 4 Runner SUV Fifth Generation (2010-2024)

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