94 civic cx proportioning valve
04-19-2011, 07:39 AM
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94 civic cx proportioning valve
I changed the brakes in my civic and now the pedal goes to the floor. I pump 1 time and it comes up half way and stays there till released. all I did was compress the cylenders and calipers to put the new pads in. someone said i had to reset the proportioning valve.... how do i do that???? thanks for any help
04-19-2011, 07:59 AM
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Re: 94 civic cx proportioning valve
it does have a button on the lower left side (passenger) and i was told that it was a reset button. just cant figure why the pedal wont come up.
04-19-2011, 08:22 AM
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Re: 94 civic cx proportioning valve
X2 on bleeding the brakes....... Never heard of having to reset the valve.........I can't see how the valve would affect the pedal though. It just transfers pressure accordingly.... Sounds to me like air in the line.
04-19-2011, 08:43 AM
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Re: 94 civic cx proportioning valve
I never opened the lines to get air in them but bled them anyway.... still the same problem.... no leaks anywhere that i can see or find.... am at a loss
the button is on the proportioning valve lower left side as you look at it from ftont of vehicle
the button is on the proportioning valve lower left side as you look at it from ftont of vehicle
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04-19-2011, 09:28 AM
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Re: 94 civic cx proportioning valve
the only thing i can think the button does is reset the Pressure differential valve in the prop valve
i'm only guessing but in most cars. a pressure diff valve is found in combination valves to measure a difference in pressure between the two halves of a braking system (the LF,RR/RF,LR)
if you dont bleed them in the correct sequence, that valve will be off center
but
it would cause the brake warning lamp to illuminate
wouldnt cause a weak pedal
try re-bleeding the system
when you compressed the calipers, did you let fluid enter back up the reservoir? or did you break the bleeder screw and let it exit the system (btw, this is the new standard now)
how many times did you depress the pedal? you might have compressed the pistons so far back, they have to travel quite a bit to touch the pads
i'm only guessing but in most cars. a pressure diff valve is found in combination valves to measure a difference in pressure between the two halves of a braking system (the LF,RR/RF,LR)
if you dont bleed them in the correct sequence, that valve will be off center
but
it would cause the brake warning lamp to illuminate
wouldnt cause a weak pedal
try re-bleeding the system
when you compressed the calipers, did you let fluid enter back up the reservoir? or did you break the bleeder screw and let it exit the system (btw, this is the new standard now)
how many times did you depress the pedal? you might have compressed the pistons so far back, they have to travel quite a bit to touch the pads
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