Optimize Braking Performance with GM Genuine Parts 19244448 Brake Proportioning Valve Review

This part is ideal for replacing the factory metering valve. My only complaint is that it's not a "just-fit" replacement. The factory part (on my car) is 10mm inside and 10mm outside. This part is 12mm in and 10mm out. It is treated with a simple adapter. Otherwise no complaints!

I replaced them with a 1995 Buick LeSabre that I have owned for several years. I fixed the rear brake hoses and decided I should just replace them. The brakes have never been right since I've owned the car. They always felt a bit spongy, even though I bled the brakes, and the anti-lock brakes acted weird at times - sometimes the pedal was higher than other times. After I replaced them and bled the brakes again, everything was fine. The brakes work great. These blocks look different than the…

I noticed brake fluid on the garage floor so I took the car in to have it checked. The technician said liquid was leaking from a small tube at the fracture line and explained that he had no idea what those parts were. He said he would call the dealer and then come back with me. I quit tech and went home and opened my ALLDATA program which I bought for my car because I keep maintenance items like water pump, radiator, thermostat etc. I could tell my car had two of these on the fault line. I…