Farm Equipment - 180 rear main oil seal

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180 rear main oil seal

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=39852
Printed Date: 05 Sep 2025 at 3:29pm
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Topic: 180 rear main oil seal

Posted By: Doyle B(NY)
Subject: 180 rear main oil seal
Date Posted: 01 Nov 2011 at 5:39am

How bigg of a job is it to replace the rear oil seal we hav e been putting it off for years and seens its starting to leak worse might be time to fix it.

thanks

Replies:

Posted By: MACK
Date Posted: 01 Nov 2011 at 7:29am

Split at rear of engine, remove flywheel, pry old seal out, drive new seal in. Always replace wear ring on flywheed. Put some oil on new seal and wear ring and reassemble. MACK

PS put a small amount of loctite on wear ring before driveing on flywheel.

Posted By: Doyle B(NY)
Date Posted: 01 Nov 2011 at 5:26pm

Ok thank you very much

Posted By: DougG
Date Posted: 01 Nov 2011 at 5:49pm

Wait a minute !!!! Make sure to get the new RUBBER ORINGS that go in the groves on the adapter plate , big one and little one - those are the problem most of the time !!!!

Posted By: MACK
Date Posted: 01 Nov 2011 at 8:46pm

If the orings are leaking, the leak will be on front of adapter plate. MACK