D 15 valve cover
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=172238
Printed Date: 01 Apr 2026 at 5:06pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D 15 valve cover
Posted By: ACinSC
Subject: D 15 valve cover
Date Posted: 22 Jun 2020 at 1:06pm
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Getting ready to put mine back on . Have a new gasket and 4 rubber grommets . My metal washers are mismatched and a couple are concave . I'm thinking someone overtightened the nuts causing this ? Sound right to you fellas ? Also wonder what the torque spec should be ? Can't find it in my book . Thanks !!
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Replies:
Posted By: Jim.ME
Date Posted: 22 Jun 2020 at 6:02pm
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I doubt you will find a torque. Its a feel thing. You are compressing a thick gasket. Tighten down enough to squeeze the gasket some, if it seeps, tighten a bit more. This can be done several times over the life of the gasket if you don't get carried away tightening the first time. That's my method, others may do different.
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Posted By: ACinSC
Date Posted: 22 Jun 2020 at 7:49pm
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Yeah Jim it's a very thick gasket . I'll just snug it up and see how it goes . May try 10 lbs . That's my torque wrench lowest setting . Thank you !!
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Posted By: DSeries4
Date Posted: 23 Jun 2020 at 8:37pm
Don't even use a torque wrench. Make sure your valve cover is perfectly straight before you put it on. Just put a slight bit of pressure on each nut and use the tractor normally. Tighten them down until it does not weep any more with use.
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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: ACinSC
Date Posted: 24 Jun 2020 at 4:28am
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Thanks Myron . Valve cover looks straight to me . Probably finish up today and keep an eye on it .
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