Sunday 18 July 2021

Brake Fluid Level Switch

 The brake fluid cap on my Caterham leaks. I have spent a good bit of my free time this week completely over-engineering the replacement. It's easy enough to go and buy a genuine Girling cap and I have every faith that it will seal tight, but it doesn't have a fluid level switch for the warning light. I also bought a very high quality float switch from Compbrake Motorsport. Then I just had to work out how I could fit the switch to the cap and connect it to the car in such a way that you could unscrew it without tangling up the wires.


Roughed out.

Close enough to final size

Marked out a rectangular hole

Cut the hole

Bent up

It's a mounting bracket for a very high quality, waterproof, quick release two pin plug.

Drilled the cap

Drilled a new breather in the cap

New float switch

Electrical connectors for the float switch

Float switch is now inside the reservoir, the plug and socket is mounted on the firewall.

Richard "overspecified" B

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