View Full Version : Factory Brake Proportioning Valve


Mr. Flipflops
07-25-2009, 01:33 AM
I just recieved a factory non-abs proportioning valve/block and i am trying to desifer what port goes to what line (RF, LF, RR, LR). The reason i need to know this is because i am using it on my 99' Buick Regal due to deleting my ABS and saving some weight. Any help with this would be great so that i make sure that the fronts and rear are on correctly! Thanks

Here is a picture of the piece that i am talking about:
http://i26.photobucket.com/albums/c141/oneslogtp/Regal/0724091749.jpg

Mr. Flipflops
07-26-2009, 01:24 AM
Nobody has a non-ABS car that can trace a few lines and tell me what port goes to what wheel?

LTBALTBMX
07-26-2009, 11:22 AM
wrong car forum?

2FST4U
07-26-2009, 11:26 AM
maybe google. or try your local dealership and see if they can print you off a copy of the Mitchell write up

qwikredline
07-26-2009, 01:55 PM
wont work very well on yr regal

Maven
07-28-2009, 09:08 PM
I am gonna highly recommend you DO NOT USE THAT ON A REGAL

I would recommend using some quality aftermarket adjustable proportioning valves for your project.

But since youre apparently doing it this way this is how it gets plumbed, again I STRONGLY STATE THIS IS A BAD IDEA
http://i464.photobucket.com/albums/rr2/eco_maven/1544604_edited.jpg
Note that this is diagonally split, so one side feeds the LF and RR, and the other side feeds the RF and LR, this will affect your bleeding procedure.

The primary feed from the master cylinder would usually go to the LF/RR pairing

If it were from a Solstice, it would be slightly less bad, but still far from ideal.

Mr. Flipflops
11-02-2009, 11:36 PM
I am gonna highly recommend you DO NOT USE THAT ON A REGAL


Any reason why? It has worked flawlessly since the install, 2 months ago.

Maven
11-03-2009, 11:54 AM
Any reason why? It has worked flawlessly since the install, 2 months ago.

It will always work fine until it reaches the limit. Its designed for a car with lower fluid volume and smaller calipers and wheel cylinders, thats why its a bad idea. Its not the proper pressure balance.

I never said it wouldnt work, I said I think its a bad idea and i wouldnt recommend it.

Theres a huge difference between something working and something correct.

I could tell you I use water or CocaCola in my brakes instead of DOT4......You could say its a bad idea, and advise against, I would tell you it works fine and I'd be right. But that doesnt mean that its safe or correct.