Brake Proportioning Valve reset? 2001 1500 4x4 rear ABS - DodgeForum.com


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Brake Proportioning Valve reset? 2001 1500 4x4 rear ABS

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Old 05-26-2009, 04:20 PM
RevJay
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Default Brake Proportioning Valve reset? 2001 1500 4x4 rear ABS

01 Ram 1500 5.2L 4x4, rear ABS.

Does anyone know how to reset the brake proportioning valve?

I just replaced all the metal brake lines, front and rear. Fronts are working great, but I still have the brake dash light on and I get no fluid when bleeding the rear wheel cylinders.

To my knowledge, all I have to do is mash the pedal and hold it for a few seconds, and it should release the proportioning valve.

Am I doing something wrong??

Let me know... Thanks!!
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Old 05-26-2009, 07:20 PM
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That's my understanding.
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Old 05-26-2009, 07:23 PM
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Loosen the line going to the rear and it will allow fluid to flow and recenter the valve. Do it like you were bleeding the brakes and you should be fine.
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Old 05-26-2009, 09:14 PM
KY2500
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Might as well delete it. No issues since I did it. A new hose will come with all the necessary stuff to do it except for the u-clip. But if you must keep it, then you could just pop the rod off the axle tube and push it up to open it up to bleed it.
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Old 05-26-2009, 10:36 PM
RevJay
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Quote:
Originally Posted by KY2500 View Post
Might as well delete it. No issues since I did it. A new hose will come with all the necessary stuff to do it except for the u-clip. But if you must keep it, then you could just pop the rod off the axle tube and push it up to open it up to bleed it.

I think you're referring to the brake distribution block at the rear brake hose. This is not what i'm talking about... I'm talking about the proportioning valve right after the master cylinder. It's currently locked so only the front brakes are working, and not letting fluid flow into the rear brake lines..
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Old 05-26-2009, 10:37 PM
RevJay
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Quote:
Originally Posted by speeddemon31176 View Post
Loosen the line going to the rear and it will allow fluid to flow and recenter the valve. Do it like you were bleeding the brakes and you should be fine.

I'll give this a try... I'll try it at the ABS block (for the rear wheel ABS) first, and if that doesn't work, then the proportioning valve itself... Thanks for the tip!
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Old 05-26-2009, 10:45 PM
KY2500
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Ya I was thinking the height sensing proportioning valve on the left rear frame rail. A 1500 probably doesn't have one, sorry.
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Old 05-26-2009, 10:52 PM
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Yep that's what I was trying to convey is to go line to line to line from the master cylinder to abs to prop valve and so on. It should eliminate any air pockets whatsoever. Let me know how it turns out.
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