You may add coolant mixture to the bottle inside the fender at any time. It is safer to add to the radiator when the engine has completely cooled 3-4 hours.
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Check Your Waterpump
Always use antifreeze. Water does not have any water pump lubricants or anti corrosion properties, antifreeze coolant does.
I sat in my car in the driveway with the car idling, waiting for the kids to come out.
u need to replace the heater core in your car
I had the same problem on my car. turned out to be a blown head gasket. the no. 1 cylinder was pushing hot gasses into the coolant jacket.
The engine of what? The car? And usually, everything must be turned off before its safe to remove or install anything.
You can use any kind of antifreeze as long as it is a 50/50 mixture. Name brands are probably better to use.
Probably not, but is is better to follow any mixing instructions on the anti-freeze container.
The same on a car equipped with manual transmission. On an automatic equipped car it will use less idling.
It depends on how long you are idling, or how fast you are going. If you know you are going to be idling for a long time, it's best just to put your car in park.
Idling is what your car is doing when it is just sitting somewhere running. As soon as you press on the gas it is no longer idling. Your idle speed is the number of RPMs your engine runs at when you are idling.