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Radiator drain plug

R

rwebster60851

New member
Hi
I hope you are all well, I have drained the radiator and the blue screw / drain plug decided to break in half leaving half in! have any of you experienced this before and any idea how to safely get it out? The broken half is now inside and the radiator and engine have been flushed out with water and radiator flush.

This is on my 1986 944 2.5 8v

Russ
 
I take this to mean the innermost half the plug is still threaded into the radiator. If so - you can try to heat up a large flat blade screwdriver and let it melt itself a slot in the remaining half until you get a good purchase - at this point I'd try to get the entire screwdriver blade to penetrate the plug to get the best grip. If a hot screwdriver won't melt itself a slot then you could make a slot by drilling a series of holes until your large screwdriver fits.

Once you have a good grip on the plug you should hopefully be able to thread it out. If you use a square shaft screwdriver you could use a wrench on it for extra torque. If it breaks again keep trying with larger width tools until it comes free. Make sure to keep your tool straight onto the plug - if you lever it you might crack the plastic radiator tank. With any luck your radiator is the one with the brass threaded insert that receives the blue plug so even a little heat from a hot tool in the plug shouldn't hurt it.

If you mean part of the plug broke off and is sitting loose inside the radiator (somehow) then you could remove the bottom hose and try flushing from the top. Also you may be able to fish out the piece with a hook of light wire going in the bottom rad hose fitting.

Good Luck!

 
This is a relatively common occurrence I’m afraid. (Ask me how I know).

I’d follow Bruce’s advice above and when you order a new plug, get a spare as I did last time. Once you have a spare then you can guarantee it will never break again this rendering the spare useless. The second you lose or give away the spare it will instantly break again - such is the 944 way.

The alternative is to pull the bottom radiator hose instead.

 
Lol, I also guarantee that the spare 2.7 engine you buy just in case, will still be on a stand years later.

 
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