Engine Coolant

The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.

The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating .

What to Use

Adding only plain water or some other liquid to the cooling system can be dangerous.WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will.

The coolant warning system is set for the proper coolant mixture.

With plain water or the wrong mixture, the engine could get too hot but you would not get the overheat warning. The engine could catch fire and you or others could be burned. Use a 50/50 mixture of clean, drinkable water and DEX-COOL coolant.

Use a 50/50 mixture of clean, drinkable water and DEX-COOL coolant. If using this mixture, nothing else needs to be added.

This mixture:

► Gives freezing protection down to −37°C (−34°F), outside temperature.

► Gives boiling protection up to 129°C (265°F), engine temperature.

► Protects against rust and corrosion.

► Will not damage aluminum parts.

► Helps keep the proper engine temperature.

Notice: If an improper coolant mixture is used, the engine could overheat and be badly damaged.

The repair cost would not be covered by the vehicle warranty.

Too much water in the mixture can freeze and crack the engine, radiator, heater core, and other parts.

Notice: If extra inhibitors and/or additives are used in the vehicle's cooling system, the vehicle could be damaged.

Use only the proper mixture of the engine coolant listed in this manual for the cooling system.

See Recommended Fluids and Lubricants  for more information.

Never dispose of engine coolant by putting it in the trash, pouring it on the ground, or into sewers, streams, or bodies of water.

Have the coolant changed by an authorized service center, familiar with legal requirements regarding used coolant disposal. This will help protect the environment and your health.

Checking Coolant

The vehicle must be on a level surface when checking the coolant level.

Check to see if coolant is visible in the coolant recovery tank. If the coolant inside the coolant recovery tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level is not at or above the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant recovery tank, but be sure the cooling system is cool before this is done. See Cooling System  for more information.

The coolant recovery tank cap has this symbol on it.

The coolant recovery tank cap has this symbol on it.

When the engine is cold, the coolant level should be at or above the FULL COLD line marked on the recovery tank.

When the engine is hot, the level could be higher than the FULL COLD line. If the coolant is below the FULL COLD line when the engine is hot, there could be a leak in the cooling system.

If the coolant is low, add the coolant or take the vehicle to a dealer for service.

How to Add Coolant to the Recovery Tank

You can be burned if you spill coolant on hot engine parts.WARNING
You can be burned if you spill coolant on hot engine parts.

Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine.

Notice: This vehicle has a specific coolant fill procedure.

Failure to follow this procedure could cause the engine to overheat and be severely damaged.

If coolant is needed, add the proper DEX-COOL coolant mixture at the coolant recovery tank.

How to Add Coolant to the Radiator

An electric engine cooling fan under the hood can start up even when the engineWARNING
An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury.

Keep hands, clothing, and tools away from any underhood electric fan.

Steam and scalding liquids from a hot cooling system can blow out and burn youWARNING
Steam and scalding liquids from a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the surge tank pressure cap—even a little—they can come out at high speed. Never turn the cap when the cooling system, including the surge tank pressure cap, is hot. Wait for the cooling system and surge tank pressure cap to cool if you ever have to turn the pressure cap.

If coolant is needed, add the proper mixture directly to the radiator, but be sure the cooling system is cool before this is done.

 

 

1. Detach the fasteners and lift off the panel that covers the radiator cap.

 

 

2. Remove the radiator pressure cap when the cooling system, including the upper radiator hose, is no longer hot.

Turn the pressure cap slowly counterclockwise about one full turn.

If a hiss is heard, wait for that to stop. A hiss means there is still some pressure left in the system.

3. Keep turning the pressure cap slowly and remove it.
4. Fill the radiator to the base of the filler neck with the proper DEX-COOL coolant mixture.

5. Fill the coolant recovery tank to the FULL COLD mark.

5. Fill the coolant recovery tank to the FULL COLD mark.
6. Reinstall the cap on the coolant recovery tank but leave the radiator pressure cap off.
7. Start the engine and let it run until the upper radiator hose feels warm. Any time during this procedure, watch out for the engine cooling fans.
8. If the coolant level inside the radiator filler neck is low, add more of the proper DEX-COOL coolant mixture through the filler neck until the level is back up to the base of the filler neck.
9. Replace the pressure cap.

Be sure to secure it tightly.

At any time during this procedure if coolant begins to flow out of the filler neck, reinstall the pressure cap.

Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured.

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