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69 Ranchero Brake Differential Pressure Switch

Printed From: The Ford Torino Page
Category: Model Specific Forum
Forum Name: Ranchero Forum
Forum Description: Technical discussion for Rancheros
URL: https://forum.grantorinosport.org/forum_posts.asp?TID=21977
Printed Date: 26-March-2026 at 3:22PM
Software Version: Web Wiz Forums 12.06 - https://www.webwizforums.com


Topic: 69 Ranchero Brake Differential Pressure Switch
Posted By: jimh1956
Subject: 69 Ranchero Brake Differential Pressure Switch
Date Posted: 17-March-2026 at 4:00AM
The piston in the brake differential pressure switch was stuck at the rear brake end, air pressure would not free it. I made a plug for one port from a brake line, 1/4 tubing and 7/16-24 thread and a grease fitting adapter for the opposite port, same thread. Applying grease gun pressure, the piston came out readily. Bronco Graveyard supplied the new seal kit.



Replies:
Posted By: 72 RS 351
Date Posted: 17-March-2026 at 5:19AM
Nice, and what, bread wouldn't do it like a throw out bearing? Good work.

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Don
73 Ranchero "Sport 72 front end", floor shift/console, planning EFI 7000 rpm 351 stroker
73 Ranchero GT 351C-4V &4R70W for sale later.
92 Lincoln Mark VII SE GTC, OBDII 347/4R70W


Posted By: jimh1956
Date Posted: 17-March-2026 at 8:58AM
Source was Dennis Carpenter not Bronco Graveyard. Thanks.jh



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