Q: How long does Bars Head Gasket sealer last for ?

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I was told I had a blown head gasket. Air keeps getting in the cooling system. I changed the thermostat , water pump and temperature switch. It over heats after driving around 3 miles. Sometimes it will cool back down if I rev the engine Hard while stopped. Both fans work. Also I have no heat sometimes. My buddy had the same problem with a different car and used Bars permanent Head Gasket sealer. It fixed his car. I’m only gonna have the car another year and don’t wanna replace the Head Gasket. Any advice ? If the Bars stuff works how long you think it would last ? Thanks a lot

My car has 75000 miles.
My car has an automatic transmission.

The BARS head gasket cooling system sealer is one of the best on the market. It does not always seal all the leaks but in your case it may. I have seen it last a day and other times a year or more. It all depends on the gasket of how bad it is leaking and if the sealer will stop it or not. I would recommend getting rid of vehicle as soon as possible after it stops the leak.

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