Rounded off sump plug
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Rounded off sump plug
Hi everyone.
I have recently purchased a 1979 series 1 RX7. I bought some parts today so that and my first job was to do an oil change. When I went to remove the plug I rounded it off. I have filed down 2 faces, tried multi grips but the plug is stuck. I was going to mig weld a spanner to the nut but I was worried about an explosion or electrical damage.
Any advice will be greatly appreciated.
thanks
pete
I have recently purchased a 1979 series 1 RX7. I bought some parts today so that and my first job was to do an oil change. When I went to remove the plug I rounded it off. I have filed down 2 faces, tried multi grips but the plug is stuck. I was going to mig weld a spanner to the nut but I was worried about an explosion or electrical damage.
Any advice will be greatly appreciated.
thanks
pete
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Yup.
A large easy-out is about the only way. I work at a shop that does LOTS of oil changes, so we see this all the time.
The drain plugs are also easily available at any auto parts store for chump change.
A large easy-out is about the only way. I work at a shop that does LOTS of oil changes, so we see this all the time.
The drain plugs are also easily available at any auto parts store for chump change.
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If you've filed down two faces, file just enough off of the other sides so you can hammer on a socket the next size down. If you can put it on with your hand, this won't work....you have to hammer (not too hard, of course...) the socket onto the plug...it should come right off with an impact hammer...if you use a conventional wrench, do it as a jerk, DON'T do it slowly..
#7
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If you've filed down two faces, file just enough off of the other sides so you can hammer on a socket the next size down. If you can put it on with your hand, this won't work....you have to hammer (not too hard, of course...) the socket onto the plug...it should come right off with an impact hammer...if you use a conventional wrench, do it as a jerk, DON'T do it slowly..
I'd have to say find yourself some AeroKroil and soak the hell out of it. Hammer on a socket and SLOWLY and EVENLY apply torque to the bolt. It should slowly start to move, and eventually come out. If you can't get a socket hammered on it, use vice grips and make sure that they are really tight on the plug, and it should come off.
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#10
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I have butchered 1 socket by grinding the bevelled section off it. I have purchased a new sump plug and I have also borrowed a couple of sets of "pipe wrenches" which I am going to try these next weekend.
One thing which I did note was the aluminium washer, I have had problems with these binding super tight over the years. I will be interested to see what this looks like when I finally get the plug out.
Thanks agin for all the excellent advice.
Regards
pete
One thing which I did note was the aluminium washer, I have had problems with these binding super tight over the years. I will be interested to see what this looks like when I finally get the plug out.
Thanks agin for all the excellent advice.
Regards
pete
#11
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I think a pipe wrench, carefully positioned and turned, is you best bet. It should clinch when you supply pressure, not slip, even on a smooth surface (like a pipe).
The last oil drain plug I bought had a teflon washer instead of aluminum, I'd never seen that before but it seems to work fine, tightens and loosens a little more smoothly.
The last oil drain plug I bought had a teflon washer instead of aluminum, I'd never seen that before but it seems to work fine, tightens and loosens a little more smoothly.
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Originally posted by whitey85mtu in error
I'm going to have to disagree with the jerk statement. I had a stud cap pop off of one of my studs, and the way that I fixed it was hammering back on the cap, and using a breaker bar and slowly and EVENLY applying pressure to the stud, and it came out. If you jerk on it, you're instantly loading the bolt with torque, and if the material's microstructure is already damaged, it won't hold the instant torque.
I'm going to have to disagree with the jerk statement. I had a stud cap pop off of one of my studs, and the way that I fixed it was hammering back on the cap, and using a breaker bar and slowly and EVENLY applying pressure to the stud, and it came out. If you jerk on it, you're instantly loading the bolt with torque, and if the material's microstructure is already damaged, it won't hold the instant torque.
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