Drain Plug Threads

Bernie Benz b.benz at charter.net
Wed Nov 7 09:42:04 PST 2007

Helicoil insert.

On Nov 7, 2007, at 9:03 AM, Nathan Winters wrote:

> 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.
> Nathan
> ----- 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.
> Bernie
> 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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