175 Diesel hydraulic vent
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=194924
Printed Date: 21 Aug 2025 at 9:34am Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 175 Diesel hydraulic vent
Posted By: atucker
Subject: 175 Diesel hydraulic vent
Date Posted: 01 May 2023 at 4:16pm
Dad has a 175 that has 2800 hrs on it and he bought it for $1,000 from the original owner. He got the manual and the delivery ticket with it. We split it this weekend and replaced the seals around the shafts because it was transferring oil between the rear ended and hydraulics. We started it and ran for awhile and the hydraulics had pressure built up when we pulled the dip stick. Should there be a vent in the dipstick or somewhere?
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Replies:
Posted By: DSeries4
Date Posted: 01 May 2023 at 4:47pm
Yes, the vent could be plugged - it's in the top of the dipstick.
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Posted By: atucker
Date Posted: 01 May 2023 at 4:51pm
We have a 170 that has a vent on the dipstick but this 175 does not look like the on on the 170
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Posted By: DrAllis
Date Posted: 02 May 2023 at 5:48am
Regardless, the vent is in the dipstick head. If it has a cotter pin thru the tube, remove it and drop out the ball bearing and throw them both away, Use compressed air to blow up thru the tube and see if you can dislodge the blockage.
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Posted By: atucker
Date Posted: 02 May 2023 at 4:40pm
I just looked at it and is made differently. Someone switched the stick I will have to get one. Thanks
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