Tyler Wesley
Region: US
Saturday 19 September 2026 00:17:45 GMT
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. :
I'm in naval aviation. we do the same thing. you can get a gallon of 99.9% alcohol on Amazon. same stuff as we use. and its much cheaper than a gallon of brake clean
2026-09-19 06:14:33
48
J_Futuristik :
Don't do this. Alcohol dries out rubber.
2026-09-19 01:32:30
181
Zach :
Electrical contact cleaner is another good substitute.
2026-09-20 02:56:44
5
Max_Max Sp@mAcct :
people will actually believe this
2026-09-20 03:03:24
20
mndz_mkl :
I've been using alcohol in my sprayer, but only because I'm cheap. Now I can lie and tell everybody I knew this.
2026-09-19 16:58:46
28
onenutwonder35 :
9year Air Force Vet 2T3 Vehicle Maintenance. They use brake clean like every other shops. Can’t speak for the Aircraft Maintenance techs though.
2026-10-04 15:22:43
3
Moose_66 :
As an A&P for over twenty two years in general, aviation, we actually use both. We have non chorine break cleaner that we do use on some parts. But for the most part, yes, isopropyl alcohol is what we use. Daily, even we use a little bit of MEK OR MPK but we don't soak hardings or seals in any other chemical mainly, we use this stuff to clean maning surfaces to make sure we get a good seal and fit. But alcohol is mostly used for cleaning parts.
2026-10-30 18:29:18
2
Skyler H :
What’s gloves are those
2026-09-23 10:19:27
5
lukemartin489 :
Does alcohol not also dry rubber maybe not to the same extent as brake clean?
2026-09-20 14:13:40
7
4Auburn1 :
F-16 crewchief here, we used it to clean the canopy’s with the alcohol but everything else was (JP-8 if your aircraft was a leaker) regular soap for everything else. Been retired for 12 years now things could have changed
2026-10-05 17:13:35
2
S1234 :
I’m an aircraft mechanic. We use isopropyl alcohol in an ordinary trigger sprayer in our hangar. We also match the solvent to whatever we’re spraying butyl, nitrile, natural rubber, etc.
2026-09-19 13:17:56
6
Mitch :
Contact cleaner is good also
2026-09-19 18:16:06
4
Javier :
but at what cost
2026-09-22 22:17:41
5
N1ck2143 :
Starting fluid doesnt hurt oring material or hpu
2026-09-20 03:06:43
3
Xaden :
it’ll still dry it out and cause it to crack, I learned that the hard way, just use a degreaser meant to be used around seals
2026-09-19 19:05:03
7
Barracuda0703 :
This why it's called brake cleaner.
2026-09-19 12:37:19
22
jezzelsnumber1fan :
you're supposed to use a rag for the isopropyl method and the other way is to use a grinder/wire wheel on some pb blaster , specialty wd40 for rust and then qd cleaner for everything else with sensors and plastic/delicate electronics
2026-11-08 05:39:10
0
Builtbywillis24 :
Wow 😮
2026-09-19 00:36:28
7
Javier Pena :
Alcohol can do the same, depending on rubber type...
2026-09-19 16:23:09
6
user2252213757895 :
But it’s flammable under pressure!!!
2026-10-11 19:05:49
1
DementedBento :
High percentage alcohol can also damage O-rings and other plastic parts if left on for too long similar to break clean no??
2026-09-21 04:19:04
1
lulwic :
that is more expensive then brake clean
2026-09-19 21:20:35
2
user5010023649499 :
I can’t hear you, please yell
2026-09-26 23:36:55
1
manbulljim :
Alcohol still dries out you gaskets and o rings, especially 90%.
2026-09-23 03:59:55
1
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