Some cleanup under my rear bumper - Toyota FJ Cruiser Forum
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post #1 of 11 (permalink) Old 11-21-2015, 01:27 PM Thread Starter
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Some cleanup under my rear bumper

Took rear bumper off this weekend. Want to clean/examine/treat any areas with dirt or corrosion to avoid any headaches 10 years down the road. While the bumper is off, I will put on new OEM bumper and the silver fins cuz the previous ones have some scratches on them due to a trip West (Sorry. No after market. I plan keep my FJ, a pure FJ) . The old bumper will be on sale on craigslist soon. Not sure if I can ship it far. If I don't sell it I will just throw it away. The frame refinishing will take some time. I will have to wire brush most of it and then seal it with a good paint. Challenge would be cleanup inside the frame holes. Any tricks or ideas are welcome on that please .. may be a pressure wash inside it to begin with. The rest of my frame is clean but I could never get to this area because of bumper being there.

HELP !

I can treat the outside of the frame but what about the inside?
It would be very hard to sand the inside and paint. Ideas please !

[venting]
I should have just purchased my Voodoo blue back in 2007 brand new. Price didn't go down. Waited 5 years until 2011 for no reason. Now I have to spend years fixing all the negligence by the previous owner/$%#%#@.[/venting]

What about the strong ACID that you can buy from home depot. http://acidpedia.org/hydrochloric_acid/
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ALL OEM .. even the oil filter..
MINT 2007 4x4 FJ Cruiser STICK SHIFT - Rear Diff Lock, A-Trac, subwoofer, OEM roof lights and bumper fin fog lights from Dubai, inner/outer door sils from the Far East
81k miles of nothing but pure adventure around North America. All scratches come out immediately. Must remain in showroom condition forever !

Last edited by fj40drm; 11-24-2015 at 07:45 AM.
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post #2 of 11 (permalink) Old 11-22-2015, 06:43 AM
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Re: Some cleanup under my rear bumper

Good idea.

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post #3 of 11 (permalink) Old 11-22-2015, 09:43 PM
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Re: Some cleanup under my rear bumper

Your b1tching about neglect of the previous owner for what looks to be normal wear and tear.

Looks like typical conditions. FFS, hit it with some krylon and live your life.

All the mods and vehicles I have ever owned.

Anything less than absolute overkill is a half assed waste of time.
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post #4 of 11 (permalink) Old 11-23-2015, 12:09 AM
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Re: Some cleanup under my rear bumper

Could be wrong... With this amount of rust since 2007, I think it will take more than 10 more years to cause any problems... I am also used to rusty Canadian frames...


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post #5 of 11 (permalink) Old 11-23-2015, 01:35 AM
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Re: Some cleanup under my rear bumper

Do not listen to the nay sayers. You love your rig and just showing some care.

I like the idea of the pressure washer. Then you should go get some kind of treatment that turns rust to what the hell ever it turns it to. Then coat with POR 15. Both of which can be picked up at your local automotive paint supply house. Might not be a bad Idea to undercoat it at the same time. That area is just a scoop that will collect dirt and water.
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post #6 of 11 (permalink) Old 11-23-2015, 06:37 AM Thread Starter
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Re: Some cleanup under my rear bumper

Quote:
UTEFJ previously said: View Post
Your b1tching about neglect of the previous owner for what looks to be normal wear and tear.

Looks like typical conditions. FFS, hit it with some krylon and live your life.
Life is FJ. Will be for the rest of my life. I want my rig to take me places out of my nursing home. LOL !


Quote:
FJ Cruiser Matt previously said: View Post
Could be wrong... With this amount of rust since 2007, I think it will take more than 10 more years to cause any problems... I am also used to rusty Canadian frames...


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Yes but 10 years down the road what do I do then?
So taking care of it now.


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bromanoff previously said: View Post
Do not listen to the nay sayers. You love your rig and just showing some care.

I like the idea of the pressure washer. Then you should go get some kind of treatment that turns rust to what the hell ever it turns it to. Then coat with POR 15. Both of which can be picked up at your local automotive paint supply house. Might not be a bad Idea to undercoat it at the same time. That area is just a scoop that will collect dirt and water.
I figured that I would get some grief. I dirty my rig but I clean it also. Thanks for your ideas.

ALL OEM .. even the oil filter..
MINT 2007 4x4 FJ Cruiser STICK SHIFT - Rear Diff Lock, A-Trac, subwoofer, OEM roof lights and bumper fin fog lights from Dubai, inner/outer door sils from the Far East
81k miles of nothing but pure adventure around North America. All scratches come out immediately. Must remain in showroom condition forever !
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post #7 of 11 (permalink) Old 11-23-2015, 06:37 AM
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Re: Some cleanup under my rear bumper

Eastwood Rust Converter ... they have a whole series of products including aerosol cans with a long plastic tube attachment to let you get into the frame rails ... check their website ...

wire brush or wire wheel what you can get at and POR15 or Rust Bullet it ... POR15 is expensive and its important to follow the directions but it works ...

I keep a really close eye on my FJC and fj40 frame ...
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post #8 of 11 (permalink) Old 11-23-2015, 01:06 PM
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Re: Some cleanup under my rear bumper

Second the Eastwood Rust Converter. Great for inside of frames.
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post #9 of 11 (permalink) Old 11-23-2015, 01:28 PM
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Re: Some cleanup under my rear bumper

Quote:
boystoy previously said: View Post
Eastwood Rust Converter ...

wire brush or wire wheel what you can get at and POR15 or Rust Bullet it ... POR15 is expensive and its important to follow the directions but it works ...
I used Rust Bullet on my Ford Ranger frame. I stripped it down as well as I could to bare metal (bed/cab off), washed and dried it, and within a year rust was developing underneath the coating (See pic below)

Residual water in the metal itself is trapped by paint on solutions, and seems to rust underneath, albeit at a lesser rate. I went with an oil based product (Fluid Film) this time around, maybe it will displace any moisture in the metal as well as coat it.

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post #10 of 11 (permalink) Old 11-23-2015, 02:01 PM
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Re: Some cleanup under my rear bumper

Quote:
StrangerRanger previously said: View Post
I used Rust Bullet on my Ford Ranger frame. I stripped it down as well as I could to bare metal (bed/cab off), washed and dried it, and within a year rust was developing underneath the coating (See pic below)

Residual water in the metal itself is trapped by paint on solutions, and seems to rust underneath, albeit at a lesser rate. I went with an oil based product (Fluid Film) this time around, maybe it will displace any moisture in the metal as well as coat it.
Interesting ... I know people that swear by Rust Bullet and despise POR15 ... I used POR15 on my 40 and so far so good ... I agree though that an oil based application is probably best ... I've read about home oil based concoctions that people spray on/under their trucks and it works ... the key in my opinion is to keep up with a maintenance routine ... its the ONLY way ...


07 FJC Voodoo Blue - C Pckge AT / Toytec Ultimate 3 Lift / Total Chaos UCA / DirtKing LCA / 285-70R-17 Michelin LTX A/T / ECGS 3rd/front diff 4.56 gears / ARB Front Locker / ARB mini compressor /Demello Hybrid Sliders / Scuba Mod / AT Cooler / MetalTech Upper-Lower Rear Links / Clazzio Seat Covers / Roll Top Console Cover

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