 Rear Main Seal Installation, should I use some sort of sealer as well? |
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| mmichalik |
 Oct 7 2024, 09:30 AM
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#1
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MikeM  Group: Members Posts: 736 Joined: 27-January 16 From: Valley Center, CA Member No.: 19,600 Region Association: Southern California 
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I am just about to replace my rear main seal on the engine. I bought the installer tool from GoWesty and the seal is an Elring.
My question is, what's the prevailing thought on using some sort of sealer in conjunction with the rear main seal when installing it? Will it help or hurt? Or, will it usually not have any effect at all? I don't want this sucker coming out again. I know what I did wrong the during the first install, which is why I purchased the installer this time. Just want to see what you fold think about using the sealer too. Mike |
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| MikeK |
Oct 7 2024, 09:58 AM
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#2
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Member Group: Members Posts: 132 Joined: 15-June 23 From: 80906 Member No.: 27,418 Region Association: Rocky Mountains |
I'm not sure about an air-cooled motor, but when I installed that seal in my Vanagon rebuild, I found that the edges needed to be chamfered as to not tear the seal while installing.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.thesamba.com-27418-1728316704.1.jpg) I always put a very thin coat of silicone on the diameter of the seal. |
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| Geezer914 |
Oct 7 2024, 10:57 AM
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#3
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Geezer914 Group: Members Posts: 1,789 Joined: 18-March 09 From: Salem, NJ Member No.: 10,179 Region Association: North East States
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No sealer.
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| Shivers |
Oct 7 2024, 11:49 AM
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#4
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Senior Member Group: Members Posts: 2,821 Joined: 19-October 20 From: La Quinta, CA Member No.: 24,781 Region Association: Southern California |
I never have. If it built that much pressure up it
would leak at the sealing surface first. |
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| mmichalik |
Oct 8 2024, 12:27 PM
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#5
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MikeM Group: Members Posts: 736 Joined: 27-January 16 From: Valley Center, CA Member No.: 19,600 Region Association: Southern California
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Thanks guys, consensus seems to be that no sealant is needed.
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