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Old 12-13-2008, 05:58 PM   #1
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what wrench for a radiator fitting


i need to replace the small nipple that goes into the radiator that has the half of the union piece on it. i think it is removed by using some kind two prong wrench that goes into the pipe and hits these two pieces of metal. it may called an internal spud wrench? how do i get these out? the radiator i got is 1/2" to wide to fit into the opening and i want to take these fittings out and get a slightly smaller one.

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Old 12-14-2008, 07:01 AM   #2
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what wrench for a radiator fitting


Radiator Spud wrench.

If installed right, it will come out easy.

If it was over tightened. Use the spud wrench in the fitting, and a pipe wrench on the outside of the spud. Positioned to exert pressure on the wrench, so it doesn't crush the fitting.

You can use a wood dowel to do the same thing.

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Old 12-14-2008, 12:51 PM   #3
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what wrench for a radiator fitting


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Originally Posted by beenthere View Post
Radiator Spud wrench.

If installed right, it will come out easy.

If it was over tightened. Use the spud wrench in the fitting, and a pipe wrench on the outside of the spud. Positioned to exert pressure on the wrench, so it doesn't crush the fitting.

You can use a wood dowel to do the same thing.
And don't put any lateral pressure on the valve. Broken fittings are not fun to replace especially with this cold spell we are in.
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Old 12-14-2008, 02:10 PM   #4
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what wrench for a radiator fitting


thank you. does this fitting bottom out? i want this wrench to hopefully tighten these things in about a 1/4" in each side because it is 1/2" to big for the opening in the pipes.
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Old 12-14-2008, 02:59 PM   #5
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what wrench for a radiator fitting


Not sure I follow.
My spud wrench fits into a " spud.
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Old 12-14-2008, 06:45 PM   #6
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what wrench for a radiator fitting


No, the union does not bottom out. If you are using a new fitting the entire union must be used. You cannot use a new and old union half.
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Old 01-06-2009, 06:27 PM   #7
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what wrench for a radiator fitting


i have posted a new question in relation to these issues if anyone wants to read it. beenthere says to use a pipe wrench at the same time, but the nut is to close to the bushing to fit a wrench in. i got one out by sawzalling through and removing the nut. is this a good way to remove them?
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Old 01-06-2009, 08:09 PM   #8
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what wrench for a radiator fitting


LOL...

Sorry, forgot to tell you that part.
Yea, just use a sawzall on the nut, split it off, then use the pipe wrench.
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Old 01-07-2009, 11:59 AM   #9
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what wrench for a radiator fitting


yeah thats been working good. when i install the new spud, how tight should i make it?
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Old 01-07-2009, 04:04 PM   #10
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what wrench for a radiator fitting


Hard to explain onver the internet.

They don't have to be made as tight as people might think.

But, they must be fairly tight.

Its more of a feel you develope(an art), then an exact science(X turns works everytime thing).

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