Chevrolet 2006 Tahoe Specifications download pdf (Page 401)

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101

How to Add Coolant to the Coolant

Surge Tank

If you have not found a problem yet, check to see if

coolant is visible in the surge tank. 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 surge tank, but

be sure the cooling system, including the coolant

surge tank pressure cap, is cool before you do it. See

Engine Coolant on page 5-25 for more information.

If no coolant is visible in the surge tank, add coolant

as follows:

{CAUTION:

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 coolant

surge tank pressure cap — even a little — they

can come out at high speed. Never turn the cap

when the cooling system, including the coolant

surge tank pressure cap, is hot. Wait for the

cooling system and coolant surge tank pressure

cap to cool if you ever have to turn the

pressure cap.

{CAUTION:

Adding only plain water to your cooling

system can be dangerous. Plain water, or

some other liquid such as alcohol, can boil

before the proper coolant mixture will. Your

vehicle’s coolant warning system is set for the

proper coolant mixture. With plain water or the

wrong mixture, your engine could get too hot

but you would not get the overheat warning.

Your engine could catch ﬁre and you or others

could be burned. Use a 50/50 mixture of clean,

drinkable water and DEX-COOL

coolant.

Notice: In cold weather, water can freeze and crack

the engine, radiator, heater core and other parts.

Use the recommended coolant and the proper

coolant mixture.

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Chevrolet 2006 Tahoe Specifications Page 401

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