Farm Equipment - 1983 5020 brakes locked up.

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1983 5020 brakes locked up.

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=191020
Printed Date: 29 Apr 2024 at 3:42am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 1983 5020 brakes locked up.

Posted By: Hornsnob
Subject: 1983 5020 brakes locked up.
Date Posted: 02 Oct 2022 at 3:07pm

My 83, 5020 brakes just locked up. Rears were locked and if 4wd was engaged fronts were locked as well. Had to tow it back to the barn. I went to start it about a month later and the brakes were no longer stuck. Any ideas on what caused this. Thanks

Replies:

Posted By: Boss Man
Date Posted: 03 Oct 2022 at 12:43pm

Not familiar with a 5020. If they are hydraulic I would say there's a return spring missing causing the pedal to sag and trapping fluid in the brake. As the fluid expands from heat it applies the brake.