Q: Hello! I was running low on coolant so I added water until I could buy some.

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Hello! I noticed I was running low on coolant yesterday morning so I added purified water until I could buy some more coolant later that afternoon. Now that I bought 50/50 coolant, can I add it on top of the water? I know I need to get it flushed but cannot do that until Tuesday so will using the 50/50 coolant on top of the remaining purified water keep my engine safe until Tuesday? Thank you!

My car has 65000 miles.
My car has an automatic transmission.

This time of year you need not worry about running for a few weeks until you can get the coolant changed. Keep in mind that you might have a leak that needs attention and don’t let it get low until you have that checked out. You can have that done at your convenience by contacting YourMechanic. They will send a technician to your home or office to [flush your cooling system for you right there on the spot.](https://www.yourmechanic.com/services/cooling-system-flush

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