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Old 01-03-2018, 12:39 PM
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Where do I apply fluid film?

I bought 3 cans, is there specific areas to spray the undercarriage? Having 2 jeeps now I suspect I'll need more than 3?

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Old 01-03-2018, 01:01 PM   #2
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I bought 3 cans, is there specific areas to spray the undercarriage? Having 2 jeeps now I suspect I'll need more than 3?

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Indeed. EVERYWHERE Except: Brake rotors and the Exhaust (If you get some on the exhaust no big deal)

3 cans will give you some decent application for one Jeep. Get inside the frame rails and all over suspension parts etc. IF you are in your garage be sure to cover the floor or you'll break your ass.

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Old 01-03-2018, 02:50 PM   #3
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probably shorter to tell you where not to spray it, lol, looks like rubiconss already made it easy...
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Old 01-03-2018, 03:00 PM
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Indeed. EVERYWHERE Except: Brake rotors and the Exhaust (If you get some on the exhaust no big deal)

3 cans will give you some decent application for one Jeep. Get inside the frame rails and all over suspension parts etc. IF you are in your garage be sure to cover the floor or you'll break your ass.
If there's already surface rust, do I need to remediate that somehow or just put a sprinkler underneath for an undercarriage wash, dry and spray?

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Old 01-03-2018, 03:03 PM   #5
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If there's already surface rust, do I need to remediate that somehow or just put a sprinkler underneath for an undercarriage wash, dry and spray?

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Surface rust is of no consequence. FF will halt it's progress and darken over time making it disappear somewhat.
IF you are already "exposed" (I assume at the beach) it would be a good idea to give the undercarriage a good complete spray down, make sure it dries - then go to town w/the FF.
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Old 01-03-2018, 03:56 PM
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Surface rust is of no consequence. FF will halt it's progress and darken over time making it disappear somewhat.
IF you are already "exposed" (I assume at the beach) it would be a good idea to give the undercarriage a good complete spray down, make sure it dries - then go to town w/the FF.
Niceee, thx @RubiconSS and team

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Old 01-03-2018, 04:05 PM   #7
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I like to do a degrease and pressure wash before applying fresh FF, remember though FF is gluten free and you really don't want to get it on your brake rotors.
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Old 01-03-2018, 04:15 PM   #8
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Under each armpit and I'm usually good for the winter. In the summer I wash it off with kerosene and use replace old spice deodorant but that you have to use daily.
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Old 01-03-2018, 04:48 PM   #9
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At the top of this section of the forum there is an "end all fluid film" sticky thread with more info then you would ever want to read about FF. After reading it I went out and bought 6 cans making sure I had enough. My jeep was brand new when I applied it so maybe that made a difference but I didn't need near as much as some people claim they used. IMO the three cans you have will be more then enough for one of the jeeps. I used 2 cans and by the time I was done with the second can I was really just spraying over the same places several times just to use it. I made sure everything had a really good coat on it. I was able to drive mine to my work and put it on the lift which made it a lot easier. Plus the little bit I did get on the exhaust burn off by the time I got home. Some people complained about the smell of the stuff, it did have a slight odor going on but after the 1/2 hour drive home it must have aired out. I parked it in my barn and never noticed the smell from it.
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Old 01-04-2018, 12:55 PM   #10
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yep read that thread it really helps with the confidence factor of spraying the hell out of it, lol

You will definitely read different opinions on how many cans. I'm of the 5 can crowd.
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Old 01-04-2018, 01:33 PM   #11
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Old 01-04-2018, 02:00 PM   #12
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So FF is safe for rubber parts/lines? I think that was the only thing stopping me from doing it myself.
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Old 01-04-2018, 02:02 PM   #13
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So FF is safe for rubber parts/lines? I think that was the only thing stopping me from doing it myself.
FLUID FILM has no adverse effects on plastics. Caution should be used around non oil-resistant rubber goods. May cause swelling.


I am Definitely trying it on MY Rubber!
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Old 01-07-2018, 02:26 PM   #14
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Will an undercarriage wash at the car wash remove fluid film? I want to get the salt off of my Jeep but I donít want to remove the fluid film.


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Old 01-07-2018, 05:20 PM   #15
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Will an undercarriage wash at the car wash remove fluid film? I want to get the salt off of my Jeep but I donít want to remove the fluid film.


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Not really. Oh after 20 washes maybe. I hit my frame intentionally with the pressure wand every now and then to take the stuck on dirt and dust off. It looks like you removed the film however don't touch it unless you want it on your hands. I made the mistake of getting my sponge on it after I thought it was gone. Smeary black sponge.
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Old 01-07-2018, 06:50 PM   #16
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Will an undercarriage wash at the car wash remove fluid film? I want to get the salt off of my Jeep but I donít want to remove the fluid film.


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The car wash will do more damage to your Jeep then what skipping an undercarriage wash will do. Unless you have one of the completely touchless washes, which are few and far between.
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Old 01-07-2018, 07:05 PM
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The car wash will do more damage to your Jeep then what skipping an undercarriage wash will do. Unless you have one of the completely touchless washes, which are few and far between.
More damage? Why

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Old 01-07-2018, 07:42 PM   #18
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Any of them with the spinning brushes etc wreak havoc on your paint/clear coat. If you off-road a lot and get scratches from brush etc. then the car wash won't make much difference. However if you hand wash and wax a vehicle that has been through auto car washes it definitely shows. Some people care some don't.

My hometown had an auto wash that had no brushes, just a large arm that moved around the vehicle and used high pressure. Those are better then all the others that uses brushes.
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Old 01-07-2018, 08:39 PM   #19
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The car wash will do more damage to your Jeep then what skipping an undercarriage wash will do. Unless you have one of the completely touchless washes, which are few and far between.


Thatís not true. I used to work at a car wash 30 years ago and yes, those did a lot of damage. Todayís car washes do not. They actually did a test on some show I watched and proved that they donít. Honestly, I prefer to wash my own Jeep by but itís been zero degrees here and impossible to wash by hand. My red Jeep is currently white.


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Old 01-07-2018, 11:25 PM   #20
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Odd question I know but can FF be applied to a vehicle that already has salt on the undercarriage without washing off the salt?

I applied two cans this past fall and would like to get under my jeep again and just maybe give it a once over with another can. It got absolutely slobber-knockered with salt in W.V. during X-mas and New Years during the snow storm. I washed the jeep at a no-touch pressure wash place but didn't get much of the underside.

If not, I'll wait it out till spring when I can get under it to rinse it off and then do touch up.

I don't know if the FF will just cover up and hold the salt next to the jeep or get in between it and sort of force it away from the jeep.
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Old 01-08-2018, 06:46 AM   #21
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Thatís not true. I used to work at a car wash 30 years ago and yes, those did a lot of damage. Todayís car washes do not. They actually did a test on some show I watched and proved that they donít. Honestly, I prefer to wash my own Jeep by but itís been zero degrees here and impossible to wash by hand. My red Jeep is currently white.


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I take this statement back. Let me clarify. I wouldnít ever suggest repeatedly driving any vehicle through a car wash. I do believe over time, it will destroy your paint. I do think when you are faced with the only option of either letting the salt sit on your car or driving it through a car wash...driving it through a car wash is a better option. I did watch a documentary on car washes vs hand wash vs touch less car wash and the car wash did a better job of cleaning the vehicle. However, their methods for the hand wash were all wrong. I never use the same bucket or sponge for cleaning wheels, wheel wheels for washing the body. Pick up one pebble from the wheel wheel and youíre going to drag that thing all over your paint. I used to detail cars and I am very meticulous about washing my vehicles. Cross contamination is a very bad thing.


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Old 01-08-2018, 12:38 PM   #22
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Odd question I know but can FF be applied to a vehicle that already has salt on the undercarriage without washing off the salt?

I applied two cans this past fall and would like to get under my jeep again and just maybe give it a once over with another can. It got absolutely slobber-knockered with salt in W.V. during X-mas and New Years during the snow storm. I washed the jeep at a no-touch pressure wash place but didn't get much of the underside.

If not, I'll wait it out till spring when I can get under it to rinse it off and then do touch up.

I don't know if the FF will just cover up and hold the salt next to the jeep or get in between it and sort of force it away from the jeep.
There's no real rules.

With that said, what I noticed in colder weather is that Fluid Film will gel up. Think Crisco....like a thin oil when warm, but like vaseline when cold.

I purchased 4 cans of FF just before November with the intent to spray down the inside of my frame rails but then the cold weather broke before I was able to get out there and do it. I also purchased a plumbing auger around that time as well and wanted to keep the steal snake of the auger from rusting. So I pulled the snake out and sprayed it down with a can of Fluid Film where the outside temps were around 25-40 deg F when I was spraying. It sprayed out of the can and was constantly clogging up the end of the sprayer due to the cold weather where the FF gel was constantly blocking the end of the spray nozzle, and the sections where I sprayed it on thick of the snake auger, it looked like Crisco where I needed to whipe it down with a rag.

So I guess what I'm saying is that I would wait for warmer weather to apply it, unless you have a heated garage to work in. Anything less than 40F, Fluid Film is no longer really "fluid".

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