engine rear 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=163967
Printed Date: 05 Nov 2025 at 3:41pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: engine rear seal
Posted By: pinball
Subject: engine rear seal
Date Posted: 29 Aug 2019 at 6:03am
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have anyone tried something to slow down a leak on the rear seal of an allis engine. thanks
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Replies:
Posted By: Sugarmaker
Date Posted: 29 Aug 2019 at 7:25am
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Remove engine and crank and reseal is one option. But usually other things happen when your in there! I know this wasn't what you wanted to hear. Not sure of any quick fixes? The experts will be along soon. Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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Posted By: MACK
Date Posted: 29 Aug 2019 at 7:39am
Posted By: pinball
Date Posted: 29 Aug 2019 at 9:14am
Posted By: Jim.ME
Date Posted: 29 Aug 2019 at 9:19am
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How about a bit more about the engine, is it gas or diesel? Which series D17?
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Posted By: pinball
Date Posted: 29 Aug 2019 at 3:13pm
Posted By: DougG
Date Posted: 29 Aug 2019 at 6:55pm
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If it has a rubber seal , Lucas makes good stuff, also brake fluid will make rubber seals swell,, just depends on your choice to get by or a tear down
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Posted By: DSeries4
Date Posted: 29 Aug 2019 at 8:50pm
Take it apart and replace it. Anything else is just a temporary band aid.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Posted By: MACK
Date Posted: 29 Aug 2019 at 9:13pm
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Don't cut ends of seals off. Glue seals in their grooves. Use the F gaskets that comes with pan gasket. Be sure bearings have proper clearance. Oil the seals before installing crank and main caps. Put some sealant on top aluminum seal retainer before bolting it to block. MACK
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Posted By: Adam Stratton
Date Posted: 29 Aug 2019 at 9:25pm
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My folks had a dodge dakota that decided to start leaking badly all of a sudden. As a desperation move, they used Blue Devil rear main sealer. Got it at an auto parts store locally, dumped it in and never had any more trouble with it. Could have been a fluke, but might be worth a shot?
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