Brake Fluid Leak

lanteau

Registered User
Every now again I have seen a wet spot on my driveway and if I squirt it, it behaves like brake fluid (makes suds almost like soap). Then I started noticing my Brake light coming on when accelerating from stop and then shutting back off. I assumed that behaviour of the light designates low fluid. Filling it seemed to cure it so then I confirmed a leak. It looks like its coming from this small metal box below where the master cylinder is, right by the drivers side cat. It has a few metal brake lines going into it and a wire plugged into it, like a sensor. It seems to be leaking around the sensor. Can someone explain what this is and what is likely wrong with it?
 
I have also plugged mine with success, no leaks for $1.85 :cool:
Search the technical forum under "ARC pressure switch" for the size, etc.
 
Yup thanks a lot guys. I'm thinking thats what it is. I will replace the switch eventually but I think in the meantime I'm just going to buy one of these NPT plugs for brake lines to plug it until I buy a new one.

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