brake system help [Archive] - Chevelle Tech

: brake system help


knudsonm
Apr 21st, 05, 10:19 PM
I am having fits with my braking system, HELP!!!

I have a manual master cylinder with the rear port going to the line lock and then to a tee then out the braided hoses and the SSBC Force 10 calipers for the fronts. For the rears I have a line from the front port on the master cylinder to a Wilwood adjustable proportioning valve and then to the rear again through a braided hose and out to the rear drums on the Currie 9" rear.

The problem I am having is when trying to bleed the system I get no fluid to the rears at all. The fronts bled fine. I adjusted the prop valve to full strength to the rears and still nothing. I bench bled the master cylinder before I installed it and everything is brand new.

Did I plumb anything wrong? Do I need to emply a factory type distribution block and then the adjustable proportioning valve?

Bomber '67
Apr 21st, 05, 11:09 PM
Have you double checked to make sure all the fittings are tight? If there is an opening anywhere they will not bleed. If any are even a tiny bit loose it will make brake bleeding impossible. Also a good idea to disconnect the line at the master cylinder, pump it, see that fluid really is coming out.

Whichever port you attatch a line to, make sure that the front discs get the port with the larger master cylinder fluid resevoir. On mine the front port operates the front disc brakes, and the rear port operated the rear drum brakes.

Thomas

knudsonm
Apr 24th, 05, 4:45 PM
Well I rebled the MC on the bench and fluid came out of both ports. On my MC for the s-10 the larger reservoir is at the rear, but the size of the ports coming out of the MC are different sizes. The one at the rear is smaller than the one in front. So I bolted it back in and I get no fluid out of the front port at all if the rear line is connected. Is the brand new(AutoZone rebuilt) MC bad or is something else wrong?