Drain Plug Threads

Nathan Winters natewin at yahoo.com
Wed Nov 7 09:03:46 PST 2007

Correct Paul did not say that, lets start a new subject for it then.
If the sealing face is fine and the threads are not, what would be a good solution?
I don't plan on installing a drain valve, just need better threads on the pan.


----- Original Message ----
From: Bernie Benz <b.benz at charter.net>
To: Nathan Winters <natewin at yahoo.com>
Cc: 200q20V mailing list <200q20v at audifans.com>
Sent: Wednesday, November 7, 2007 11:50:54 AM
Subject: Re: New lister, new car

Paul didn’t say that the threads were buggered up. He said that the  
plug came out easily after he ground off the plug’s head, the flange
face seal. But he may have buggered up the pan’s face sealing  
surface. A simple fix for  this would be to 45 degree counter sink  
the surface to accept an O-ring on a new stock plug.

The better way to remove such a frozen plug is with heat. Same system  
as removing a broken stud from a head.
Build up the buggered hex head with a TIG or MIG welder until large  
enough to get a vice grip on it. The weld heat will have loosened the  
frozen plug or stud.


On Nov 7, 2007, at 6:58 AM, Nathan Winters wrote:

> If the threads are already buggered up, what solutions are there?
> Next size up drill / tap?
> Go to NPT?
> Thanks,
> Nathan

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