What type of anti-freeze do I put in my radiator the regular green stuff or the orange stuff, the computer at the auto supply store did not specify. I seem to be dry, and while my car has not totally overheated, it is running hot, when I looked under the hood, there was no fluid in the overflow thing and when I looked in the radiator I didn't see any fluid. (the man at Advance Auto told me look to see what color was on the lid, but I don't see any color on the lid) I bought their brand 50/50 coolant. I plan to drop it off tonight or early tomorrow to my mechanic (abt 5 miles) but I am afraid to drive it if it is dry. (the manual does not specify, it just says to add coolant to the resevior and check it with the motor running. Help, Cynthia
You will need to pour the coolant directly into the radiator. To do this the engine must be cold or you risk burning yourself when removing the pressure cap. Fill up the radiator to the top and then add more to the overfolow tank. Make sure you push the cap down to close and twist the cap so the cap will not come off
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An ASE technician said: The official answer and factory fill on your car is called Dex-Cool.
You'll know it when you see it because it's very distinctively dyed
orange. Any auto parts store and most discount retailers will carry it
in stock. You are also safe using what is now being sold as "universal"
anti-freeze, which is nothing more than Dex-Cool with a different
colored dye (light green/yellow).
Most auto supply stores have this in stock. If unable to obtain it there - go to a Chevy / GMC dealer for it.
Look what color it is. If it green it's the regular old fashion kind just buy the pre dilluted 50/50 blend. If the color is orangie- redish it's the new technology Synthetic anti freeze. Buy the apropriate jug. or Simply buy it from one of many autopart stores and ask the counter clerk. Yours is probably the orange red colored. Costs more but don't go cheap and put the green stuff in it will dry rot your heater core fast and then you'll have some problems.
they say you cant mix different coolants but you can go to auto-zone etc, and buy a cheaper anti-freeze for general motors products. its a 50/50 mix for all gm cars and trucks.you can add this coolant to any brand of anti-freeze. its called universal type anti-freeze. to run a differant anti-freeze in it, you have to flush out complete engine and radiator because the dex-cool and the green stuff do not mix well and cause engine corrosion etc. dex-cool is reccomended for all chevy engines. good-day !
white smoke is caused by water entering or anti-freeze entering cylinder. if in radiator or recovery tank, it will look like a chocalate milkshake. check on oil dipstick for traces of water or anti-freeze. possible causes, head gasket, intake gasket, etc. check close for a bad gasket.
I would check and see if the vehicle contains Dex-Cool, the orange anti-freeze, or the regular green type anti-freeze. They make an anti-freeze that will mix with either type. Don't mix the green and orange types.