Question about 2005 Chevrolet Equinox

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2005 equinox blows cool air until engine has been running. then much later when heat is on heat begins to feel a [tad] lukewarm after then. what type or brand of coolant should be used in this vehicle/ would a thermostat be an issue at this time?

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It sounds like your thermostat is going bad. However if you start noticing any liquid in your floorboard the heater core is on it's last leg. Check your manufacturer's specs before adding any anti-freeze. More than likely your Chevy requires only the use of DexCool antifreeze. It is very important to be sure that you do not ever mix brands of antifreeze if they require DexCool. Mixing any other coolant with DexCool will cause a chemical reaction causing the liquid to turn to gel. You can end up with internal corrosion of vital engine parts, engine lock up, and serious overheating as a result. As a general rule for engine safety and performance you should always check to make sure that you are adding the same color of coolant to what is already in the car. If it's green don't add orange. Before changing colors (types) of antifreeze in your vehicle, you will need to flush out your engine till it all runs out.

Posted on Mar 28, 2011

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