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Proportioning valve stuck

98 dakota rear abs how to reset proportion valve .cant get any fluid to go to back. bled master cil, both proportion valves ,front calipers,have hard pedal good flow to front only

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Rearline may be blocked

Posted on Nov 14, 2013

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SOURCE: 98 caravan no abs

u need to bleed ur brakes some more Helping one person at a time Shaun

Posted on Nov 15, 2008

askjhuber
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SOURCE: Where can I find a brake proportioning valve for my 97 S-10?

When people tell me they hate there ABS, alot of people who pull trailer do. I tell them just to pull the fuse this will stop them completely. Yeah theres a light ont he dash but that can alos be delt with by removing the bulb for it. But int he long run just pulling the fuse is quick and Free.

Posted on May 17, 2009

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SOURCE: the ABS/proportioning valve is not working.

these trucks need a seperate bleed procedure for ABS you need a scanner to put it into this bleed mode,hope this helps if not get back to me and we'll go from there. please rate my fix as i strive to be the best

Posted on May 19, 2009

juncro
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SOURCE: Proportioning valve leaks brake fluid.

yes you must change same, in my experience i change it

Posted on Jul 31, 2009

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SOURCE: IM WORKING ON A 88 OLDS 98 I REPLACED THE MASTER

adjusting parkbrake

Posted on Aug 29, 2010

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1 Answer

Bled front brakes fine back ones not getting fluid


master cylinder have 3 sections. front, back and proportion valve.The valve control the pressure to the rear brakes.Start bleding from the master cylinder. if the pressure is good inspect the line for damage.if one line don;t have pressure replace master cylinder
Good luck

Aug 23, 2014 | 1985 Toyota Pickup

1 Answer

I just replaced the brake master cylinder and rear wheel cylinder on my 1987 toyota pickup, and now I have no fluid going to the back brakes. Bleeding them does nothing


check for fluid before and after the proportioning valve by disconnection the line after the valve and applying the brakes, if no fluid after valve try before valve if fluid is there then it is a bad proportioning valve. you did bleed the master cylinder before connecting the brake line and trying to bleed the brakes all at once right? If the master cylinder was not bled first then a lot of air may have been forced into the rest of the brake lines.

Oct 01, 2011 | 1987 Toyota Pickup

1 Answer

How to bleed brakes on 98 regal, I changed rear brake lines but I don't think fluid is going thru the proportioning valve or ABS. I am used to the older brakes ( 70's and down.)


sometimes you can tap on the proportioning valve while someone pumps the brake if nothing breaks loose you may have to replace the valve.

Aug 07, 2010 | 1998 Buick Regal

1 Answer

Brake fluid does not flow to back wheels. I replaced lines


bleed master cyl ,abs, and check proportioning valve, proportioning valve if stuck will stop flow to back etc

Jul 25, 2010 | 1994 Buick Roadmaster

1 Answer

Installed new master cly.,bench bled, bled rr, broke off lr bleed valve (not opened), bled rf, tried bleeding lf but getting no fluid to caliper. is problem with proportiner valve?


The problem is probably that you must do the lr before moving to the front. The air in the lr will make it too spongy to bleed the front.
A wheel cylinder is only $25, so you might as well just replace it. And if you use vasoline or brake lube on the bleeder, it will not rust up on you next time.

Proportioning valves are not supposed to block a bleed. They can malfunction, but should not supposed to. And if you have the back working, that should reset the proportioning valve anyway. You can't leave the back. It must be finished.

Jun 07, 2010 | 1990 Plymouth Voyager

1 Answer

Very little (almost nonexistent) rear brakes. Cannot stop rear wheels even with wheels off the ground. Replaced MC, wheel cyl.,Rubber hose, booster, proportioning valve, bypassed rear ABS, shoes, drums,...


What happens when you try to bleed the rear brakes? If nothing comes out, trace each line back toward the proportioning valve--something would be blocking flow of fluid. Disconnect each line at the forward end and see if fluid comes out of the valve openings. You will need a scan tool to complete the bleeding process with ABS. Suggest buying a Chilton's manual for this truck because of the complexity of the ABS system.

Sep 30, 2009 | 1997 Dodge Dakota

3 Answers

No brake pressure


should not need to bleed module try giving the proportion valve afew good smacks sometimes this will dislodge the valve then rebleed

Jun 03, 2009 | 1998 GMC Jimmy

4 Answers

98 Dodge Ram 1500 brakes go completely to the floor.


How did you come to the conclusion that the master cylinder is ok? Does the level of brake fluid in the MCyl. rise & fall while pumping the brakes. I feel no fluid is entering the chamber which has the piston. This piston is directly connected with the brake pedal.Have it checked and the oil seal in it too.....sodeep

May 24, 2009 | 1999 Dodge Ram

1 Answer

The ABS/proportioning valve is not working.


these trucks need a seperate bleed procedure for ABS you need a scanner to put it into this bleed mode,hope this helps if not get back to me and we'll go from there. please rate my fix as i strive to be the best

May 19, 2009 | 1997 Chevrolet Blazer

1 Answer

No brake fluid flow to right rear brake


the stratus is know for clasped rear brake hoses .This stops the flow off brake fluid. try opening the brake lines at the master cylinder that go to the rear.pump up brakes first! if you got fluid than check the brake line if this is rear disc brakes on the line at the rear will be a built in proportioning valve.if drum loosen rubber hose line before the rubber part to see if you have fluid. If you do replace the brake hose! On you 74 challenger by the way i love dodge! any way on the valve there is a small button on the front of the proportioning valve that pops out it needs to be tap in lightly. also hit the brake peddel kind of hard a couple off times if that doesn't work. thanks for your question


p.s that hex bar on the is a junction not a proportioning valve .

Apr 29, 2009 | 2001 Dodge Stratus

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