H Colin, The brake proportioning valve adjust the amount of effort required for maximum efficiency with different loads in the vehicle. The brakes in most vehicles are proportioned for approximately 60% front brakes and forty percent rear. The valve makes small adjustments to braking between front and rear. Regards john
SOURCE: did brake job on 1992 chevy pickup, how do I release proportional valve?
some times you get an air bubble and you just cant get it to pass. you can work very hard and still not get it to bleed. snapon sells a bleeder system that sell for around $500 but i can tell you how to build one for under $20. if interested. but your answere is to back bleed the system from the farthest away wheel first. and then your peddel will come back.
SOURCE: Rear Brake Proportioning Valve
Used GEO Parts Leads May 28, 2008 (i.e. Wheel, Seat Belt)
1990 GEO Tracker, SUV, 4-Cyl, Gas/Carburetor, Automatic, 4x4, Any Brakes, Rear, Brake Proportioning Valve which mounts on rear axle (Raleigh, North Carolina ...
www.automotix.net/20080528-used-geo-parts.html
Copy this link I found it on a google search and thought of you>
SOURCE: 1989 chevy caprice proportioning valve
The proportioning valve can be mounted on the frame or just off of the master cylinder. Yes, you can buy aftermarket and no you don't have to stay OEM on it.
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.
SOURCE: Proportioning valve leaks brake fluid.
yes you must change same, in my experience i change it
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