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Old 06-28-2011, 06:48 PM   #31
Join Date: Jun 2011
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Mine looks just like that! Here's my question: is there anything under there that I shouldn't spray? I don't know much about all the components and I dong want to mess anything up.
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Old 06-28-2011, 08:37 PM   #32
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Spray on Rustoleum bedliner once a year and call it a day.

2010 JKU "Mountain" Edition
TeraFlex 2.5" Coil Lift : Old Man Emu Nitrocharger Shocks : 33x12.5R15 Goodyear DuraTracs : 15x8 Black Rock 909s : Other Stuff . . .
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Old 06-28-2011, 08:46 PM   #33
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Originally Posted by demarpaint View Post
All the cast iron parts on my Liberty did the same thing, and it's garaged. It would take centuries for those cast iron parts to rot out, but it does look crappy.
I noticed the same thing on my new COD when I bought it in March.
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Old 06-28-2011, 08:55 PM   #34
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I use Waxoyl on my 2004 Land Rover, works great!
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Old 06-28-2011, 09:27 PM   #35
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Is this rust

Be carefull when painting the drive shafts. Any paint runs will set up on the lower part of the shafts. This will unbalance them, showing up at highway speeds. This happened to my 98 Tacoma. I didn't know about this. The dealership mechanic mentioned it to me on the day they took the truck away because of the frame recall. The paint really prolonged the life of the frame. Bought used with some cast parts and frame rust already. I painted everything with some type of gooey metal anti rust paint. It worked. May paint my JK this summer too. Thinking about the fish oil treatment instead if the paint comes off during mudding. Motor oil worked for a couple years on a car, so the fish oil makes sense too. The fish oil would be legal. Other non food oil is illegal to paint in most states because it all eventually drips onto the roads and ends up in the ground or water.
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Old 06-28-2011, 09:34 PM   #36
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I'll be using Fluid Film for rust proofing. I don't want to break any rules and post a link. Google Fluid Film, it is very good at rust proofing, and pretty safe to use.
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Old 06-29-2011, 02:51 PM   #37

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Unless you are planning to move i'm not sure I would waste the time or energy. My guess is this jeep gets driven year around and if its like MN they use salt on the road in the winter time. Short of not driving it not sure what your going to accomplish. Look under any car that is driven year around in a winter state where they salt the roads and you will see the same thing. Now my 2003 Miata that is stored winters still has the original paint on the bottom of course it dosen't see rain very often either
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Old 07-01-2011, 03:21 AM   #38
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My 08 is starting to get a a little orange. I wash the under side of my vehicle often, it helps. I live by the ocean but it rarely snows and I swear there's only 2 trucks in the area and they only use sand. I'm gonna try the rust protector liquid wrench makes now. Vaseline works and is safe but hard to get in a lot of areas. Really those parts aren't worth worrying about, you'll replace the engine before they rust off. All I'd worry about is if I ever have to undo any of the bolts.
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Old 07-12-2011, 02:11 PM   #39
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Thanks again everyone for all the suggestions!

Moalder - I was wondering the same thing...if only someone could mark out a diagram as to where to put and where not to put the rustproofing stuff like this. (I LOVE this diagram...whoever did it should be paid $$$$$

Basecamper - You're right. I totally drive it year round and if only you could see the salt trucks here...there's more salt than snow + ice combined on the roads during the winter time!

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Old 07-12-2011, 03:44 PM   #40
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Originally Posted by basecamper
Unless you are planning to move i'm not sure I would waste the time or energy. My guess is this jeep gets driven year around and if its like MN they use salt on the road in the winter time. Short of not driving it not sure what your going to accomplish.
This is a horrible piece of advice if I ever saw one. I've spent many winters in PA where tons of salt are dumped on the road daily. Even a $2 can of spray on undercoat will offer some protection. A trip to the car wash after a heavy snow will also help your frame last longer. Ignoring it or doing nothing will only escalate the problems. Go to your local auto supply shop, they will turn you onto some easy to use products that will help convert the rust. There are literally hundreds of products made for this purpose.

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rust , rust underbody , rustproof

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