Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo Auction Link (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Tractor Talk Discussion Forum

gasket sealant

Welcome Guest, Log in or Register
Author 
J. Rand

02-07-2006 09:40:17




Report to Moderator

I"m restoring a JD 720D and have it completely apart. I have all the gaskets needed to put it back together, but I don"t know when to use sealant or when to just use the gasket. Are there any rules of thumb for this? The manual says use permatex 7 on one side of the head gasket, otherwise there is no mention of it. Thanks.




[Log in to Reply]   [No Email]
dougn

02-07-2006 17:44:31




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
I used 3m weatherstrip adhesive on one engine many years ago. When I pulled the engine down later I thought I would have to break the intake manifold and oil pan to remove them. Stuck doesn't describe it. Now I just use a little silicone.



[Log in to Reply]  [No Email]
REDJD

02-07-2006 21:43:15




Report to Moderator
 Re: gasket sealant in reply to dougn, 02-07-2006 17:44:31  
You should only put the 3M on the part,oil pan, valve cover, water pump,ect. not on the block.



[Log in to Reply]  [No Email]
champspa

02-07-2006 16:53:42




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
Locktite gasket eliminator only seals between surfaces type 515 or 510 , 515 stays flexible



[Log in to Reply]  [No Email]
williamf

02-07-2006 13:01:07




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
Does anybody use shellac anymore?



[Log in to Reply]  [No Email]
Bob

02-07-2006 11:45:17




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
For many block and transmisson gaskets, Deere recommended smearing them with ordinary grease before installation.

Nowadays, restorers probably wouldn't like the dirt that would stick to the edges of the gaskets, and the stuff that would ooze out on their new paint!

Like the other poster said, if you use silicone sealer, just use the smallest amount that will seal the joint, as you don't want gobs of it inside the engine, where it will eventually swell up, fall off, and make it's way into the oiling system.

[Log in to Reply]  [No Email]
REDJD

02-07-2006 11:40:41




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
Go easy on the silicone, I have a engine in my shop now that had no oil pressure and when I tore it down I found out why.Someone had used silicone on the gaskets and the oil pump was stopped up with the stuff.I use 3M weather strip adhesive on all my engine parts and stick the gasket to the part such as an oil pan or valve cover ect. If you let it dry and don't use too much the gasket will stay in place when you put the part back on the engine.

[Log in to Reply]  [No Email]
Jubal Lee

02-07-2006 10:14:23




Report to Moderator
 Re: gasket sealant in reply to J. Rand, 02-07-2006 09:40:17  
You will probably get opinions all across the spectrum on this one. Personally, I use silicone sealer, but sparingly with discretion, depending on the application. Sometimes it helps hold a gasket in place for assembly and a little bit of help in sealing off imperfections in the surfaces can't hurt. You just don't want to use enough to make a big mess and don't over tighten your bolts as the sealer will make the gasket squirt out from between whatever two surfaces you are mating. My $0.02 worth, which with a quarter, used to would have bought a cup of coffee!

[Log in to Reply]  [No Email]
Mike M

02-07-2006 10:59:12




Report to Moderator
 Re: gasket sealant in reply to Jubal Lee, 02-07-2006 10:14:23  
I'm with you, and do the same. It really helps if you have to go back and take something apart too. There are alot of different types of silicone on the market. I have been using the ultra type with good results.



[Log in to Reply]  [No Email]
UncleTom

02-07-2006 14:50:14




Report to Moderator
 Re: gasket sealant in reply to Mike M, 02-07-2006 10:59:12  
I agree with Red JD, 3m weather stripping compound will seal anything. I have never had to remove it though. It is great for rubber gaskets. Even works for putting plastic sides back on a pocket knife. It never came apart agian. My .02



[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home  |  Forums


Copyright © 1997-2023 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy