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mcgarrett · 09-23-2022, 04:41 PM

Yep, happened to my stock '40 Ford switch; started leaking and brake lights stopped working. Brake pedal started getting spongy too. Replaced the switch and now back to synthetic DOT 3 fluid - no more problems. For me, silicone fluid wasn't all it was cracked up to be.

09-23-2022, 04:41 PM	#3
mcgarrett Senior Member Join Date: Dec 2013 Location: Waxahachie, Texas Posts: 949	Re: Dot 5 problems Yep, happened to my stock '40 Ford switch; started leaking and brake lights stopped working. Brake pedal started getting spongy too. Replaced the switch and now back to synthetic DOT 3 fluid - no more problems. For me, silicone fluid wasn't all it was cracked up to be.