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Where is the drain plug on my radiator?

A drain petcock can be found at the bottom of the boiler. Even if you can open it, you're not draining the radiator completely. Shops always remove the lower radiators hose. Most of the engine's cooling system is drained by that.A radiator drainer is usually located on the bottom of the radiator. So, even if you can open, you don't drain the radiator completely. So stores always remove the bottom tube from the radiator. This drains the whole radiator and a large part of the engine cooling fluid.

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