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Running, and warm enough so the coolant is cirulating, is good, but not entirely needed. ALWAYS BE CAREFUL the system isn't hot when you open it, or you can get burnt. Always check the amount of coolant after the car has been run and warmed up a bit and the thermostat has opened, which allows the coolant in the tank to then move through the sytsem. If there were empty spots before the liquids started moving, the amount in the system may now be low. That depends. Is the engine hot? If so, yes, it should be running. If it's already cooled down it doesn't matter. On the other hand, if it's REALLY hot, you should wait for it to cool before adding coolant.
What else can I help you with?
Should you put antifreeze in a car while it is running?
It is best to do it while your vehicle is running so it will circulate through the system. You should add it to the reserve tank, never open the cap on your radiator (if it has one) while the system is hot.
Should the engine be cool or running when adding antifreeze?
Your engine should be cold ( to be on the safe side) when adding antifreeze/coolant. i let the car sit overnight and then add it.
Can you add antifreeze to your radiator which has been running on water only?
yes you can?
Can you add full strength concentate antifreeze on a 1998 concord?
You should never add full strength coolant to any vehicle. Always dilute it with distilled water
Your coolant recovery tank is empty do you need to add antifreeze?
If the vehicle is cold yes but make sure you mix the antifreeze with water before you add it, 50-50 is the best mix.
What temperature should you add antifreeze?
Ford vehicles come from the factory with a 50 / 50 mix of distilled water and the correct type of antifreeze for the vehicle Ford states not to exceed 60% antifreeze in the mix ( when you live in a colder climate ) They also state to not drop below 40% antifreeze in order to provide corrosion protection ( although the corrosion inhibitor package in the antifreeze does " wear out " * only add the mixture with the engine cold *
Where do you add antifreeze in the engine I don't want to pour it in the wrong place I bought an antifreeze that is already mixed.?
Don't forget 50/50 solution too What kind of vehicle? What size engine? You don't add antifreeze to the engine, anyway. There should be an overflow jug on post '85 vehicles and on pre '85 vehicles you add the antifreeze to the radiator only. Please check your owner's manual or ask your car dealer for further information.
Does the car need to be running when adding antifreeze?
No , it's best to add coolant when the engine is cold
When Should I Put Antifreeze In My Car?
If your vehicle seems to be having problems try to add the anti-freeze as soon as possible. If you don't use your vehicle much it can wait for when you have time.
What disadvantages are there if you add the antifreeze to the radiator too early?
You should be running anti-freeze year round as it is a coolant also, hence the name "Anti-freeze/Coolant"
How do you check water in radiator how much do you put in?
The cooling system in most vehicles has a reservoir and the reservoir is marked full and add. Open the cap when vehicle is totally cooled down and add a mixture of 50% water and 50% antifreeze and be sure to add the correct antifreeze for your vehicle. Never add just plain water unless it is an emergency to get you to a garage.
What time of the year should you add the antifreeze to a car radiator?
Whenever it needs it.
