A little help with the Brake fluid float sensor
#1
Thread Starter
A little help with the Brake fluid float sensor
Brake fluid float sensor wont stay up (will always go down after i physically try and keep it up) and since there's no quick Viagra fix for it and it requires an entire Brake master cylinder im wondering if there's any disadvantage to unplugging the wiring hardness attached it and just check regularly my fluid levels?
with it attached i realize my VSA light caution light and brake light is on (I have a 2008) when i unplug it no lights stays on (does this mean vsa is working again?
Thanks for you time.
with it attached i realize my VSA light caution light and brake light is on (I have a 2008) when i unplug it no lights stays on (does this mean vsa is working again?
Thanks for you time.
#2
Some previous discussions of this recommend flushing the master cylinder and jiggling the float. Perhaps sticking down due to crud in the brake cylinder.
Wiring diagram in the Service Manual indicates the float is merely a switch that lights the Brake warning indicator on the dash. Circuit is Open (no electricity flows) when the float is Up. Circuit is also Open when the connector is removed so all you're losing is the low brake fluid warning -- something I've never seen in a car ever. Hand brake also controls the dash light but it's a diode separated circuit from the float -- they're not dependent.
-- Chuck
Wiring diagram in the Service Manual indicates the float is merely a switch that lights the Brake warning indicator on the dash. Circuit is Open (no electricity flows) when the float is Up. Circuit is also Open when the connector is removed so all you're losing is the low brake fluid warning -- something I've never seen in a car ever. Hand brake also controls the dash light but it's a diode separated circuit from the float -- they're not dependent.
-- Chuck
Last edited by Chuck S; 05-27-2018 at 01:43 PM.
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s2kdarren (05-28-2018)
#4
when they coined the term "idiot light", this is a prime example of such. I would bypass the switch and don't worry about it again, not worth plunking down the money for a new part. It probably takes 5+ years of brake wear to have the fluid go down from max to min, if someone doesn't check their brake fluid in 5 years then they shouldn't be driving, lol.
#6
yeah and brake fluid leaks are very evident when and if they occur, you will definitely know when you have one. . I've never had a leak on any of my Hondas, it would be very rare on an s2000 that is not winter driven.
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s2kdarren (05-28-2018)
#7
There's no problem - left mine unplugged for a decade or so when it started triggering the idiot light. Eventually I needed calipers and replaced the MC at the same time, but it was more out of guilt than necessity.
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barrett4bama
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