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When is a plug not a plug?

 
Old 02-09-2015, 10:52 PM
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--JR--
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Question When is a plug not a plug?

When it's only half a plug. Or in this case half of a S4 radiator drain plug.



Any great ideas how to extract the other half from the radiator?
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Old 02-09-2015, 10:57 PM
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I'd say use a left hand drill bit and an easy out.
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Old 02-09-2015, 11:54 PM
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take a junker screw driver ,
heat it with a torch,
press into the remaining plug till it melts a slot,
remove and let cool,
then insert the tool and unscrew the plug.

NOTE buy 2 drain plugs and 2 bleed ports for the top of the radiator.
screw the new plugs till snug,
use a smear of Dow Corning 111 on the O rings. keep the extra parts as spares
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Old 02-10-2015, 12:16 AM
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Ive had success using a hot pick similar to Stans method.......good luck
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Old 02-10-2015, 12:26 AM
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The hot driver was my first thought too. Just concerned about melting radiator threads.
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Old 02-10-2015, 02:15 AM
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Originally Posted by --JR-- View Post
The hot driver was my first thought too. Just concerned about melting radiator threads.
If you pick the right size screwdriver, with it just hot enough to sink into the plug and no more, you won't have a problem.
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Old 02-10-2015, 02:57 AM
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+1 on Stan's method. not much torque required to remove the 1/2 plug, so I used a long thin screwdriver. Works great.
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Old 02-15-2015, 01:42 AM
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Follow up. Warmed up an old Philips head screw driver with a lighter for about 40sec and then pushed it into what was left of the plug firmly for 15sec.

Left an almost "factory" impression of the Philips driver and easily was removed.

Thanks!
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