Exhaust stud sealant

Navajo350 · Jul 17, 2015

I just replaced an exhaust manifold gasket on an unstyled JD A. The 2 outer stud holes look like the go into the water jacket. I put hi temp anti seize on the stud only. Do I need to put pipe dope on it instead? Will it leak as it is?

It seams that the company wouldn't produce a tractor that would leak water out that hole. The hole covered is next to an exhaust gasket that you install dry with no RTV.

Thanks,
Robert

Mike M · Jul 17, 2015

You will need some kind of sealant on those threads. Back in the day it was white lead. EPA likely banned it years ago ? I have used some hi temp rtv on those or some of the Loctite stud sealants.

RBoots · Jul 17, 2015

How did you end up getting the broken stud
out? Wasn't there a broken off tap or extractor
in there too?

Ross

Meangreen · Jul 17, 2015

On my 40 B one of the manifolds studs went into the water jacket and it required a copper washer under the nut on that stud to seal it up.

dr sportster · Jul 17, 2015

It does that on the early Chrysler Hemis too. Guys use copper silicon sealer.. I don't like silicon and I use Loctite pipe dope.

Exhaust stud sealant

Navajo350

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Mike M

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RBoots

Well-known Member

Meangreen

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dr sportster

Well-known Member

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