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Radiator drain valve

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Old 09-13-2010, 06:49 PM
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Bax2008 Bax2008 is offline
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Question Radiator drain valve

Having some issues with mine.

I apparently over-tightened it one year and it came out in my hand.
The only thing holding that in the rad is plastic tabs??

Bought and installed a new one, as the old one had bent tabs.

Now having issues with the new one. I noticed the valve was weeping, so I tightened it a quarter turn or so.

The &^$&^%#$^%!! thing blew off in my hand showering me up the to the elbow with hot antifreeze.

Now stop laughing and tell me how to fix it. LOL

I put it back in, but now I don't trust it to not blow off on the road.

Any suggestions?
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Old 09-13-2010, 11:41 PM
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put a bead of this around the head shoulder of plug and tighten in snug but no wrench. finger tight only
let set overnight and fill
Permatex® High-Temp Red RTV Silicone Gasket


in Canada temps, you could run a lower pressure radiator cap also unless you tow.
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Old 09-19-2010, 08:05 PM
a2racer86 a2racer86 is offline
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Sounds like you might have cracked the radiator where it goes screws in. I'd say a new radiator is the only fix I'd trust further that short trips to town and I'd probably have a couple gallons of water and another plug handy.
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Old 09-21-2010, 03:22 AM
Pablo-UA Pablo-UA is offline
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exessive force of other mechanics lets me get some extra $$$ for additional repare LOL)))
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