Farm Equipment - D15 power steering control valve leaks

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D15 power steering control valve leaks

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=111053
Printed Date: 13 Sep 2025 at 12:26pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: D15 power steering control valve leaks

Posted By: Dan73
Subject: D15 power steering control valve leaks
Date Posted: 26 Aug 2015 at 11:02pm

I have been working on my d15 with a loader today. Turns out my power steering leak is the seals on the control valve the oil just runs out of the valve seals. The real kicker is it steers great as long as the oil is still their. But the leak is hopelessly bad and has to be fixed.

Is the service manual correct that I have to remove the front counter weight in order to access the control valve or is there some trick which will save me some disassemble?

Replies:

Posted By: DSeries4
Date Posted: 27 Aug 2015 at 10:34am

The front casting has to come off to replace the seal where the steering shaft goes in on the left side. Far easier to work on it without it on the tractor.

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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

Posted By: Dan73
Date Posted: 27 Aug 2015 at 10:37am

Thanks I just wanted to double check before I started. I think I can do that without having to pull the loader.