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Pressure differential valve

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Old Jan 14, 2006 | 11:17 PM
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1sscav
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Pressure differential valve

My son's 89 Bronco had a total brake system failure. The Hanes manual says that the pressure differential valve must be centered before bleeding the system. However, they fail to show what the valve is, where it's located, and how to center it. Can anyone point me in the right direction?
Thanks,
Brian
 
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Old Jan 14, 2006 | 11:22 PM
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someday
Fleet Mechanic
Joined: Feb 2004
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From: midwest
the manual might be wrong or talking about the rear abs (rabs) valve which is located on the driver side frame rail...just follow the brake line until u see some weird looking thing that has an electrical connection and i dont think it is centerable...just bleed
 
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