Farm Equipment - Pinhole in 7060 Engine Oil Cooler

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Pinhole in 7060 Engine Oil Cooler

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=42600
Printed Date: 30 Aug 2025 at 12:03am
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Topic: Pinhole in 7060 Engine Oil Cooler

Posted By: KevinON
Subject: Pinhole in 7060 Engine Oil Cooler
Date Posted: 24 Dec 2011 at 5:23am

I just bought a nice 7060 maroon belly (I will post pics later). I had to start it up and move it yesterday. The coolant heater didn't work, so I had to use a bit of pocket choke. It hammered hard for a bit and then smoothed out. I noticed the oil pressure guage that it has was showing a few pounds less than what it was when I brought it home. After shutting it down, I noticed a pinhole in the side of the oil cooler, and some oil dribbling out of the hole. I am sure that it wasn`t there before. What could have caused this, and what is the fix.

Replies:

Posted By: MACK
Date Posted: 24 Dec 2011 at 7:01am

Pin hole is there for a reason. If oil or antifreeze gets past either oring it will come out the hole.

The fix is to remove the cooler and replace the orings. MACK

Posted By: KevinON
Date Posted: 24 Dec 2011 at 7:15am

Thanks, Mack!

Posted By: skipwelte
Date Posted: 24 Dec 2011 at 9:15am

Yea, thats the weep hole. Sometimes will seep in cool weather, might go away when eng is warm and might stay away during summertime. Keep an eye on it if it doest leak to badly.