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No,you should never add coolant to a running car.Or even a hot one for that matter.They are a closed system,you risk being burned badly byv doing so.
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∙ 11y ago
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Does car need to be running when putting in coolant?
yes, should never add coolant to cold engine
Does the car need to be running when adding antifreeze?
No , it's best to add coolant when the engine is cold
How do you add coolant to a 2004 Chevy Malibu?
i have the same car. ya just go ahead and add it to your radiator while running
When do you add coolant with the car started or not?
You should add coolant with the engine off and cool, top off the radiator and fill the coolant reservoir to the cool or cold level. When the system is hot or running it will be pressurized and will be dangerous to open. You can however add coolant to the overflow reservoir at any time.
My car is leaking coolant from the top of my engine under the manifold and dripping down drivers side what could be wrong with my '99 Chevy Malibu leaking coolant?
My car is is running hot and smoking... i discovered the coolant was low i added new coolant and its pouring out the bottom of my car My car is is running hot and smoking... i discovered the coolant was low i added new coolant and its pouring out the bottom of my car
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.
Will coolant spill out of the over flow tank if the car is to hot?
put coolant into my over flow car was running hot and the coolant erupted like a volcano on the side of the over flow
What happens when you put coolant into a Malibu without running the car?
When the car is cold the thermostat is closed. When the thermostat is closed the coolant does not circulate or get in to the engine block.
Do you add transmission fluid when it is running?
yes its best to add it and check it when the car is running and warm
How do you know if water pump has broke on my car?
You should see the coolant circulating in the radiator when the car is running
Why are the fans running on a Oldsmobile alero 2000 when the car is on?
to cool the coolant in the engine
Water Leaking underneath my car passenger side under the car?
If you are running the A/C then this is normal and is just condensation from the A/C unit. If you are not running the A/C then it may be coolant. If your coolant is low then check for a leak at the connections for the heater hoses going inside the car.
