brake proportioning valve issue

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07-24-2012, 11:35 PM

kbengt

Thread Starter

Join Date: Sep 2009

Location: Minnesota

Posts: 20

brake proportioning valve issue

Now after replacing wheel and master cylinders, the brake lite stays on a pnd brakes are still not good. Is this valve stuck? How do you take it off to service it?

07-25-2012, 01:42 AM

guitarman376

3rd Gear Member

Join Date: Jul 2007

Location: California

Posts: 764

It probably just needs to be reset. Just read in the original ford manual if you have one, or look it up on google or this forum

07-25-2012, 05:43 AM

2+2GT

6th Gear Member

Join Date: May 2009

Location: PA

Posts: 5,232

The differential valve (not proportioning valve) is reset in the car by bleeding the front or rear brake as appropriate, bleeding gently until the shuttle re-centers and the light goes out.

07-25-2012, 03:05 PM

jlg2002

4th Gear Member

Join Date: Jun 2006

Location: Fontana, California

Posts: 1,483

the key word in 2+2's comment is "gently". Back in the day we used to take the switch out and insert a tool to keep the shuttle centered. it looks like this:
http://www.performanceonline.com/Com...ve-Bleed-Tool/