frozen nuts

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Oct 29, 2005 | 07:48 AM

larry hinterman

Thread Starter

Instructor

Joined: Oct 2005

Posts: 145

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From: round rock tx

frozen nuts

The nut is frozen on the a/c evaporator to POA valve and from the evaporator to the expansion valve.

Does someone have a solvent that will free these threads?
thanks,
larry

Oct 29, 2005 | 07:54 AM

GaryS

Melting Slicks

Joined: May 1999

Posts: 2,897

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From: Moon Township PA

Quote:

Originally Posted by larry hinterman

The nut is frozen on the a/c evaporator to POA valve and from the evaporator to the expansion valve.

Does someone have a solvent that will free these threads?
thanks,
larry

PB Blaster or Kroil. Both are very good penetrants.

Oct 29, 2005 | 08:16 AM

stingry

Drifting

Joined: Mar 2003

Posts: 1,608

Likes: 3

From: Canberra AUSTRALIA

St. Jude Donor '05-'06

Use a small wire brush before and during the PBlaster soaking. The more you soak it the less chance you have of breaking/burring it when you finally give it a good turn with a wrench. A propane torch can apply heat also but be careful. The PB is a tad flammable. I got about 80% of my rusted bolts/nuts of with PB, 5% with a demolition saw blade and the other 5% by applying heat with propane.

Oct 29, 2005 | 06:13 PM

Carl Johansson

Drifting

Joined: Sep 2004

Posts: 1,638

Likes: 3

Quote:

Originally Posted by larry hinterman

The nut is frozen on the a/c evaporator to POA valve and from the evaporator to the expansion valve.

Does someone have a solvent that will free these threads?
thanks,
larry

I just use fur lined underwear - with a battery powered pouchheater! that keeps em from freezing!