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Old 04-06-2007, 02:20 PM
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brake proportional valve

My wife was going to work and lost her brakes. I found a brake line had rusted thru and ended up replacing all of them on her 97 LeSabre. When I was removing the old lines, I had took apart the proportional valve which ended up being a mistake. The bb fell out of it as did a couple other parts.
I now have a problem with the brake locked up. After installing everything, I wasn't able to bleed the rear brake on one side. I figured that I put the proprotional valve back together wrong, changed it and then was able to bleed the brake. Then when attempting to test drive it, the car wouldn't move because of the wheel locking up.

In my attempt to search the web for an inside view of the valve, I found this website. Could someone post a picture or link showing an inside view so I can fix this thing? Thanks in advance.


Picture of outside view. w w w.autoanything.com/generic_pages/product_image.aspx?id=186186&p_id=3153

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Old 04-06-2007, 03:44 PM
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I would just but a new proportioning valve ...
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Old 04-06-2007, 04:06 PM
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The picture that you linked to is a residual pressure valve.. (close up the gaps on www and the link works.)



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Last edited by powerrodsmike; 04-06-2007 at 04:21 PM. Reason: Remove misinformation that I posted.
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Old 04-06-2007, 04:12 PM
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Autozone has a write-up on their Web site.
Apparently it depends on whether you have ABS or not... I thought they all did, like my wife's '94 LeSabre.
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Old 04-07-2007, 09:23 AM
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thanks guys

Powerrodsmike:
I know that about the w w w.
My first 2 posts didn't go thru because this site filters out spam with links in them for new people. Wasn't able to post a picture without putting those spaces in there. I just wanted to show the outside view. What I needed at the time was an inside view, that I have not yet found anywhere on the web. someone else may like it sometime also.

Mauss:
Same as above, I also had that link in there from the Autozone. ditto, needed inside view.

Today I will attempt to find one in the junk yard. Wife is getting upset about not having her car. Bummer is that last week when working on it, it was 65 degrees in Michigan. Today it is 13 degrees and snowing.
I could buy a new one for $20 -$30 but where's the fun in that.
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Old 04-07-2007, 11:16 AM
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Quote:
Originally Posted by bezinque
Today I will attempt to find one in the junk yard.
Today it is 13 degrees and snowing.
I could buy a new one for $20 -$30 but where's the fun in that.
How much FUN is it to hunt a used part in 13 degree weather ?
Add in SNOW ??


Plus the part will be rusty, crusty and possibly defective ...

Better you than me ...
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Old 04-07-2007, 11:45 AM
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In my opinion....It is not a good idea to use used or re-built brake parts. Brand new does not cost that much more. Two things to never cheap out on...steering components and brake parts.
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Old 04-07-2007, 12:34 PM
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Quote:
Originally Posted by Henry Highrise
In my opinion....It is not a good idea to use used or re-built brake parts. Brand new does not cost that much more. Two things to never cheap out on...steering components and brake parts.
I understand that you have a challenge here but Henry is right! Why compromise your wife's safety - after all you replaced all the brake lines. You must have other things to do on another project or hobby.
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Old 04-07-2007, 04:03 PM
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Quote:
Originally Posted by Deuce
How much FUN is it to hunt a used part in 13 degree weather ?
Add in SNOW ??

Plus the part will be rusty, crusty and possibly defective ...
I've been retired for 11 years now. The wife says (and she is right) that I need to get off the computer games and get outside more often. It started snowing 4 nights ago and I didn't go out for the first 3, except to take her to work. It was an adventure. Reminisced back when I was 16 and hitting the bone yards with my friend. I knew right about where the part car was, because I had been there several days earlier. Except that they moved it on me. The dog also likes going for rides so it made her real happy.

Quote:
Originally Posted by home brew
I understand that you have a challenge here but Henry is right! Why compromise your wife's safety - after all you replaced all the brake lines. You must have other things to do on another project or hobby.
I understand about rusty, crusty, safety, etc. The part is made of either stainless steel or aluminum, and brass, no corrosion at all. The car it came off of was 1 year newer model, with less miles than hers. The fluid that dripped out was also clear, cleaner than what was in her lines before. In this case, it is not a bad part.

Otherwise, yeah, I'd have paid the $30.00 for new. I got two for $5.00. The second one I will use to disassemble and photograph an exploded view to post. (if we could ever find her digital camera)

All and all, I have figured out that a piece was missing in the old one that I am replacing. Must have lost it in the confusion when the bb originally fell out of it.

Thank you all for giving me an outlet to talk and a website to come to for answers.
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Old 04-08-2007, 10:18 PM
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Glad to hear your "hunt" was successful! I have never looked inside a proportioning valve and so I am looking forward to the pics.
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