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D17 crankshaft oil seals

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=166295
Printed Date: 29 Mar 2024 at 9:17am
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Topic: D17 crankshaft oil seals
Posted By: djake
Subject: D17 crankshaft oil seals
Date Posted: 02 Dec 2019 at 3:39pm
I have a D17 Series 1 with leaky front and rear oil seals. Do I have to pull the engine to change them



Replies:
Posted By: Sugarmaker
Date Posted: 02 Dec 2019 at 5:17pm
djake,
 My opinion would be, Yes, Its the right way to do this job correctly. You will need to do a couple other things while your in there too! At least that's how it works for most of us.
Welcome to the forum!
 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.


Posted By: MACK
Date Posted: 02 Dec 2019 at 8:07pm
Yes it has to come out for the rear seal.       MACK


Posted By: SteveM C/IL
Date Posted: 02 Dec 2019 at 8:36pm
You have to pull rear main cap to replace seal if you do it right. Don't leave the F gaskets out when going back together....


Posted By: WF owner
Date Posted: 03 Dec 2019 at 6:00am
Before you attempt the change, watch Don Bradley's video.
https://www.youtube.com/watch?v=9LWCMvO_Dis" rel="nofollow - https://www.youtube.com/watch?v=9LWCMvO_Dis


Posted By: DrAllis
Date Posted: 03 Dec 2019 at 6:58am
It has been my experience that on an old Pre-full flow oil filter D-17 gas engine, when they are leaking at the rear and front seals, 50% of the time they need the crankshaft reground undersized and new main bearings to tighten things up.



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