Thanks for the article. I was just searching the abs unit on car-parts since there was only 1 result nationally for the proportioning valve. I'm going to call a few of the yards close to me that have the abs unit and see if I can buy the proportioning valve only.
I'm not quite ready to go there yet, I'm under the assumption I would have to eliminate the abs if I go that route. My burb only has 73,000 miles on it and is pretty clean, so that will be a last resort.
Hey guys, long time listener, first time caller. I have been trying to track down the proportioning valve from the tsb on the suburbans. I checked with the dealer that sold and serviced my burb and we confirmed the tsb was not addressed and he searched the earth for me trying to find one with...