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I was getting ready to pull my engine to fix a crack in the frame and when I went to drain the radiator the drain bolt on the water pump is broke off.
Can I drain the radiator by just disconnecting the Hoses and the drain plug in the head? Any opinions would be great.
 

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I was getting ready to pull my engine to fix a crack in the frame and when I went to drain the radiator the drain bolt on the water pump is broke off.
Can I drain the radiator by just disconnecting the Hoses and the drain plug in the head? Any opinions would be great.
yes you can drain it that way buddy.might be a little messy hahah
 

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It can be mostly drained by pulling the cylinder plug & lower hose. Once you drain the trans fluid & get the engine out you can turn it upside down to drain the rest of the coolant out of the water pump. You could also just drill a blind hole in the broken plug & use an easy out to remove it because your going to want to fix that before putting it back together anyway.
 

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I was getting ready to pull my engine to fix a crack in the frame and when I went to drain the radiator the drain bolt on the water pump is broke off.
Can I drain the radiator by just disconnecting the Hoses and the drain plug in the head? Any opinions would be great.
You can drain some of the Coolant as you described, however; since your WP drain bolt is broken, you can (and should) remove the WP cover and completely drain Coolant first. Also; since the drain bolt is broken, it will come out much easier from inside the WP cover, and drilling a small "blind hole" well centered into a M6 x 1 small bolt is much harder with WP cover attached to engine than it is as a separate piece. It will also allow you to fully inspect WP assembly.

Carlos
 
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