69 Mach1 brake system light - Mustang Monthly Forums at Mustang Monthly Magazine Mustang Monthly

69 Mach1 brake system light

  
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69 Mach1 brake system light

 
morrie1 morrie1
New User | Posts: 4 | Joined: 12/07
Posted: 05/24/09
03:12 PM

I have an issue I need help on. my s69 Mach1 has sat for approximately 4 years while i was restoring it. It's back running but the brake system light is on.  I've bled the lines on both front and rear, changed front rubber brake lines and changed the pressure switch.  Light stays on. the fluid is a little milky, would this do this?  How do I get the light off?  How do I reset this system??  HELPPPPPPPP!!  

 
jlg2002 jlg2002
Guru | Posts: 950 | Joined: 03/08
Posted: 05/26/09
01:06 PM

The brake switch needs to be have its shuttle centered in order to turn off. Every time you bleed the back or the front, you cause that shuttle to move off center. Back in the 70's they used to have a tool you could buy to center the shuttle when you bled the system to keep what's happening to you from occurring. The fluid is probably milky cause its full of air. jlg  

 

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