So I've been reading on using a thread sealant on he head bolts of my cub. Came across this permeated high temp and looks like the stuff to use. In the instructions it says it may be repositioned up to 4 hours after application.
I've also read that after the initial torque on the head bolts to run the tractor about 10 hours and then retorque the bolts. Won't this break the bolt thread seal. And if I don't retorque the heal bolts will the head gasket start to leak?
What are your guys thoughts on this. Reading the maintenance manual it doesn't say anything about retorquing the head bolts.
Thanks
Keith
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Head bolt thread sealant.
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- J3 Driver
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Head bolt thread sealant.
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Re: Head bolt thread sealant.
To tell you the truth I also use it on the cooling systems gaskets to make sure I have a seal.
What is the temp rating of the high temp product?
When you only have 9 horsepower you need to know the names of all of the ponies!
- J3 Driver
- 5+ Years
- Posts: 236
- Joined: Mon Oct 31, 2016 11:38 am
- Zip Code: 17241
- Tractors Owned: 1976 C-160 Wheelhorse
1995 JD F525
1998 JD 955 with 70A loader and 54 blade
JD 71 planter modified for use on Sleevehitch
Brinly plow, disk, and cultivator.
Son has a 1957 Cub with fast hitch, snowplow, 194 plow, disk, carryall, Mott fast hitch flail mower, and windbreaker
1942 John Deere H - Circle of Safety: Y
Re: Head bolt thread sealant.
The high temp stuff is good to 400° I'm sure that other stuff would be perfect. I just didn't see it on their site.
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Re: Head bolt thread sealant.
I think you'd be better off using a non-hardening sealer. Yes, without retorquing, you risk a leak.
Bob
Bob
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- Glen
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Re: Head bolt thread sealant.
Hi,
I use Permatex Aviation Form A Gasket, on the head bolt threads, it is supposed to be non hardening. It has a small brush made on the cap. If you buy one, stir it up with a screwdriver or something before using it, it settles in the bottom of the can some, sitting. It works good on gaskets too. They sell it at NAPA.
Some of the guys on here spray the head gasket with Coppercoat sealer before installing it.
Here is a page from the Cub service manual showing the torque sequence, if you don't have the info.
http://www.farmallcub.info/manuals/gss- ... 001-14.jpg
I use Permatex Aviation Form A Gasket, on the head bolt threads, it is supposed to be non hardening. It has a small brush made on the cap. If you buy one, stir it up with a screwdriver or something before using it, it settles in the bottom of the can some, sitting. It works good on gaskets too. They sell it at NAPA.
Some of the guys on here spray the head gasket with Coppercoat sealer before installing it.
Here is a page from the Cub service manual showing the torque sequence, if you don't have the info.
http://www.farmallcub.info/manuals/gss- ... 001-14.jpg
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Last edited by Glen on Sun Apr 30, 2017 9:46 pm, edited 1 time in total.
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Re: Head bolt thread sealant.
The PTFE sealer is usually available at my local auto parts store. If not, next day by ordering/no shipping charge.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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