C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Broken radiator drain plug

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Old Feb 22, 2005 | 04:39 PM
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Default Broken radiator drain plug

Half of the flange came off in my hand when I tried to turn it to drain the radiator, even though I finger-tightened it last time it was drained. What would be the best way to drain it not using the plug? Also, can the plug be fixed? I think the last time I drained it, the plug has a stopper or something that does not allow it to come out. TIA
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Old Feb 22, 2005 | 05:00 PM
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how many miles are on that radiator? once drain ***** start to break, I wonder about deposits inside and the condition of the plastic side tanks.

Another way to drain is to remove the knock sensor(s).
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Old Feb 22, 2005 | 05:05 PM
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It's an 85 with 60K on it. I've had the radiator serviced every year since I've owned it, but it is rusty inside. Thanks for the tip about the knock sensor - all I want to do is port my manifold, so I just want to drain the block, not the radiator. I just thought I'd do it how it is supposed to be done. The manifold will be a mother scratcher to get off most likely.
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Old Feb 22, 2005 | 06:08 PM
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the manifold is a pain, if only because there are a million bolts.
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Old Feb 22, 2005 | 09:22 PM
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You can repair the plug. If you manage to get it unscrewed, you can pull it out with pliers.
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