Brake Problems

ddawson · 02-02-2000, 05:30 PM

My left brake caliper is getting no brake fluid. When braking only the right
side works.

I pulled the brake line from the caliper and only drips come out when the
pedal is pumped.

Here is what I have so far. I gutted the proportion valve and installed the
FMS plug. On the kit I have from MPS it uses some of the same parts as the
Cobra kit. I unscrewed the pack portion of the prop valve and installed the
new connector which feeds the left front brakes.

The question I have is should I have taken anything out of the rear prop
valve? The Cobra instruction only mention gutting the front.

I'm going to take it all apart again to see if there is something in there
block flow but I though I would ask before doing the work.

Dan Dawson
Bay Area, California
88 5.0 LX, Red, Special Order, No Options,
Vortech A-Trim Supercharger, 9 PSI, PowerFlex Pipe, MAX Flow 73mm MAF,
Global West LCA's, Global West Springs 800/190, Koni Yellows, MSD Coil,
Hurst Shifter, Tri-Ax Handle, 190 Fuel Pump, 3.55 Gears,
Maximum Motorsports Full Length Subs and Caster/Camber Plates,
Five Lug Conversion, SVO Calibers, 96 Cobra Rims, Nitto 555's 255/45-17,
Work in Progress, SN95 Rear Disks.

Old School · 02-03-2000, 08:39 AM

The proportion valve should only be adjusting the rear brakes. Where did you install it? On the pass. side firewall is a juction in the brake line, this is the best/easiest place to install the valve. From the stock proportioning valve, you should remove the nut, spring and plunger and install your plug.

02-02-2000, 05:30 PM	#1
ddawson Registered Member Join Date: Apr 1999 Location: Bay Area, CA Posts: 42	Brake Problems My left brake caliper is getting no brake fluid. When braking only the right side works. I pulled the brake line from the caliper and only drips come out when the pedal is pumped. Here is what I have so far. I gutted the proportion valve and installed the FMS plug. On the kit I have from MPS it uses some of the same parts as the Cobra kit. I unscrewed the pack portion of the prop valve and installed the new connector which feeds the left front brakes. The question I have is should I have taken anything out of the rear prop valve? The Cobra instruction only mention gutting the front. I'm going to take it all apart again to see if there is something in there block flow but I though I would ask before doing the work. Dan Dawson Bay Area, California 88 5.0 LX, Red, Special Order, No Options, Vortech A-Trim Supercharger, 9 PSI, PowerFlex Pipe, MAX Flow 73mm MAF, Global West LCA's, Global West Springs 800/190, Koni Yellows, MSD Coil, Hurst Shifter, Tri-Ax Handle, 190 Fuel Pump, 3.55 Gears, Maximum Motorsports Full Length Subs and Caster/Camber Plates, Five Lug Conversion, SVO Calibers, 96 Cobra Rims, Nitto 555's 255/45-17, Work in Progress, SN95 Rear Disks.

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02-03-2000, 08:39 AM	#2
Old School Registered Member Join Date: Jan 2000 Location: VA Posts: 58	The proportion valve should only be adjusting the rear brakes. Where did you install it? On the pass. side firewall is a juction in the brake line, this is the best/easiest place to install the valve. From the stock proportioning valve, you should remove the nut, spring and plunger and install your plug.