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the symptoms are that oil will not go throw the brake lines to bleed them and the pedal

some of the symptoms are hard pedal you wont be able to bleed your back brakes no oil no back brakes check these first before you change your master cylinder or your brake booster..

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Q: What are the symptoms of a bad proportioning valve?
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Can the height sensing proportioning valve be bypassed mine went bad?

no,this valve intergrates with the sensors in the brake system. replace the HSP valve


Where is the proportioning valve located on a 1984 corvette?

AnswerThe proportioning valve and warning switch is integrated into the master cylinder assembly.I think the proportioning valve is located on the frame rail under the master cylinder?Thats where it is on my 1980.The proportioning valve is not on the frame rail on an 84. It is inside the master cylinder.


If you think the brake proportioning valve has gone bad on a 1997 Taurus can you bypass it if you have the necessary fittings and lines?

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How do you clear a blocked brake line in 1993 Chevrolet Suburban 2WD?

I haven't heard of a stopped up brake line but I think a proportioning valve would give you the same symptoms. If it is the proportioning valve then you should only have one axel working because the valve picked up a leak or ?? and shut down fluid to that axel


A proportioning valve is part of an automotive electrical system.?

No, the proportioning valve is used in the brake system to apply different forces of pressure to the front and rear brakes.


Is a proportioning valve is part of an automotive electrical system?

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Where is the brake proportioning valve on a 2000 dodge stratus?

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