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Mobil 1 ATF as brake fluid..
I've been using Royco 782 but I am considering moving to M1 ATF, just due to the ease of aquiring from the local Autozone vs ordering it in.
Has anyone gone to M1 ATF without changing all the seals in the entire system without issue? |
Started out life with it in 2010. Been using it since with no issues. Stock system with the exception of braided teflon lines.
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Happy flying, |
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The issue some of us want to avoid, if possible, is being stranded some late afternoon at a smaller airport that looks like a ghost town (which many do these days). Even at larger fields 5606 has to be ordered at times if the FBO is out of stock ... as a friend of mine recently experienced. |
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ATF-1 has a significantly higher flashpoint as well (220ºC vs. 104ºC) without real downsides compared to 5606. My question to you would be what does using 5606 bring to the table for our use that ATF doesn't? When I was faced with this decision, I couldn't find anything to recommend it, other than "it's what certified aircraft use". Have I been missing something for the last several years and 700 flight hours? |
Have been using MOBIL ATF-1 for 5 years, 400 hours completely stock system, absolutely no issues.
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4+ years, stock system with steel braided lines in the cockpit (and for the coil around the axle at the bottom), Mobil 1 ATF the whole time, no issues.
Only issues I ever had were very early on, getting rid of system leaks because of the *&%$# NPT fittings. Finally went to Teflon paste, and haven't had any problems at all since. |
I switched over to it the last time I was in my brakes (previous owner put pistons in backwards). All the original fluid on one side had leaked out anyway, and I like the higher flash point of the ATF.
Straight swap where I just drained it completely, ran ATF through for a bit as a flush, then filled it up with ATF. So far 0 problems, works just as good as the old stuff. |
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