Brake line fittings
 

I'm running my brake lines - in particular the brass elbows that screw into the brake cylinders. Do these get any sort is sealant on the threads?

Thanks,

Tom

Yes. I use a Teflon pipe thread sealant like Locktite 567 on all pipe fittings.

Use sparingly and keep away from the first thread.

Carl

... and tighten the heck out of it. :)

Regular plumbers Teflon tape?

No. Do not use Teflon Tape anywhere on an airplane.

No .... not teflon tape. Use a good sealant as suggested above. Do NOT use EZ Turn fuel lube.
The suggestion to tighten them WAY down is spot-on. Bleeding brakes is enough of a pain, let alone when you have mini-leaks sprouting at the brake pedals. Each newly discovered leak often requires starting the bleeding process all over.

Ok got it...

Teflon paste, looks like thick white toothpaste.

Thanks, can it be purchased locally? Auto store? Hardware store?

I second the Loctite 567 recommendation. Great stuff and no signs of a leak anywhere on my aircraft. With those NPT elbows, I'd err on the side of too tight rather than too loose when it's clocked in the final position. Even when they're "snug" it's usually possible to tighten them another full turn.

You might have to mail-order the stuff, but I'm guessing you can get it through Amazon with two-day shipping.