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Am I a FOOL for Using this type of Rust Remediation???
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Posted 1/29/2012 12:40 AM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Am I a FOOL for Using this type of Rust Remediation???

Before I put this into the DIY section, I thought I would get your advice as to the Safety of this type of Windscreen Frame Repair....

To be VERY VERY Clear... I am NOT advocating this as an "Ideal" repair. Obviously, Tearing into the entire Frame is the "Best" repair.

BUT!!! I am not delusional.... I am the first to admit the Bride of Frankenstein is a Rotted Rust Bucket. I don't think there is a panel on her that doesn't have at least some bubbling. I know anything LESS than a complete Off-Frame Re-Do would be like Slapping a Band-Aid onto a Fungating Melanoma...

I must say, I am a bit "Miffed" at how this truck has held up. Yes, it is 32 years old, and YES, I use it at the beach as a surf-wagen, but i really do wash the truck regularly (especially after the beach), and wax it, which is probably not the "Norm" for most G-Owners, but still, why is it such common-place to have these trucks Rot out like this??

I have a 16 y/o Sedan which looks like the day I drove it out of Sindelfingen, but the G is a Pile of Bat Guano!!!

Anyway, this is the method to my madness....

Since I was able to get "most" of the lower frame down to bare metal, with only "small" defects in the "lip" of frame... I thought it might be wiser to KEEP whatever Metal Mass is currently there, POR15 treat the metal, and lay a 90 degree bent 16 Gauge Galvanized ON TOP/IN FRONT OF the lower lip as a form of "Re-enforcement" rather than a "Replacement".

I also opted to try a more "modern" method of bonding... The 2-Part Bonding Adhesives are becoming just as strong as Welds, and offer the Added Benefit of acting as a SEALER!

Let me know if you think I'm an Idiot for doing this...



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#199775
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Posted 1/29/2012 12:48 AM
hipine



Date registered: Jul 2006
Location: US, CO, Bailey
Vehicle(s): 460 1980 280GE w. 617A
5000
RE: Am I a FOOL for Using this type of Rust Remediation???

Whatever keeps it going is a good thing in my book! Nice work Pat. Mine is certainly much worse in those, and other areas. I know it needs work on the windscreen frame. Major work. One of these days the windscreen will be so badly pitted I won't be able to put off another change any longer and will have to go after it like you did. Probably next summer.

All the best,

-Dave G.
#199777 - in reply to #199775
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Posted 1/29/2012 1:03 AM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
RE: Am I a FOOL for Using this type of Rust Remediation???

hipine - 1/29/2012 12:48 AM

Whatever keeps it going is a good thing in my book! Nice work Pat. Mine is certainly much worse in those, and other areas. I know it needs work on the windscreen frame. Major work. One of these days the windscreen will be so badly pitted I won't be able to put off another change any longer and will have to go after it like you did. Probably next summer.

All the best,

-Dave G.


Well, that makes me feel better...

I am 100% with you... I'm not looking to "Cure" her... my sole goal is to "Keep the Patient Alive and Breathing..."

Sure hope my Ultra-Anal-Complusive Care of the New G will help prevent this sort of horrible Disease in the furture...

Cheers.
#199778 - in reply to #199777
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Posted 1/29/2012 2:21 AM
DesertStar
Expert




Date registered: Apr 2006
Location: San Diego, CA USA
Vehicle(s): 85-280GE/95-G320/08-G500
Posts: 2156
2000
RE: Am I a FOOL for Using this type of Rust Remediation???

Thanks for the photos.  I will be yanking out my windscreen next month to fix a small (at least it appears small) rust bubble on lower right side of windscreen.  I am banking that I will not have to do any welding or something so extensive. Like Dave, my windscreen is badly pitted thanks to sanded roads and desert wind storms, driving into the sun really brings out its glory.  This really preps me for what to expect if things get ugly.  Great job as always.

Take care, Mike



Edited by DesertStar 1/29/2012 2:23 AM
#199779 - in reply to #199775
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Posted 1/29/2012 4:41 AM
Loki Laufeyjarson



Date registered: Apr 2006
Location: 66°N, 19°W
Vehicle(s):
500
RE: Am I a FOOL for Using this type of Rust Remediation???

If rust has damage front window frame, it might be worthwhile to cut a slightly larger glass and simply glue it into the existing frame. First you have to remove all old rust and prime and paint the frame with paint that is compatible with the glue primer that must be applied to glass and window frame. Getting rid of the old rubber seal will help in snowy areas as snow will be less likely to stick to bottom of the glass.

All modern cars have glued windshields and this is a known procedure.
#199782 - in reply to #199779
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Posted 1/29/2012 7:24 AM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3186
2000
RE: Am I a FOOL for Using this type of Rust Remediation???

Those glues/sealants are fantastic. Have used them before. When I replaced my windshield on my 463 I sanded out the rust bubbles Metal Readied the entire windshield frame and slathered a healthy layer of POR15 to prevent it from happening again.

With the POR15 the frame will probably now outlast the rest of the body.

Nice write-up as always

Mark

Edited by Inkblotz 1/29/2012 7:26 AM




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#199786 - in reply to #199775
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Posted 1/29/2012 12:25 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
RE: Am I a FOOL for Using this type of Rust Remediation???

Mark. Yes, that is a great idea, and a nice job.

I was tempted to do the same thing.... but since my Rust-Rot is so extensive, I would have to fill my Pool up with POR-15, and drive the truck into the Deep-End for a Full-Body Dip in order to cover all involved areas...
#199791 - in reply to #199775
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Posted 1/29/2012 3:32 PM
WEBIII
Extreme Veteran


Date registered: Oct 2010
Location: Inlet Beach, FL
Vehicle(s): 461.318, 463.241
Posts: 315
300
RE: Am I a FOOL for Using this type of Rust Remediation???

Nice tools and work space!
#199798 - in reply to #199775
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Posted 1/29/2012 4:11 PM
bram_r
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Date registered: Apr 2007
Location: the Netherlands
Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD
Posts: 1659
1000
Re: Am I a FOOL for Using this type of Rust Remediation???

Nice write up as always.
Have to tackle the same job somewhere in the near future, thanks for listing some steps in this process.
The rust is still not too dramatic I think, keep up the good work!

Bram
#199799 - in reply to #199775
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Posted 1/29/2012 5:23 PM
zimm
Elite Veteran




Date registered: Feb 2010
Location: pittsburgh
Vehicle(s): lx470, 76 fj40, 72fj40, 96 gelandewagen g320.
Posts: 788
500
RE: Am I a FOOL for Using this type of Rust Remediation???

Loki Laufeyjarson - 1/29/2012 4:41 AM

If rust has damage front window frame, it might be worthwhile to cut a slightly larger glass and simply glue it into the existing frame. First you have to remove all old rust and prime and paint the frame with paint that is compatible with the glue primer that must be applied to glass and window frame. Getting rid of the old rubber seal will help in snowy areas as snow will be less likely to stick to bottom of the glass.

All modern cars have glued windshields and this is a known procedure.


i like this idea. my windshield is quite a mess and im sure i have rust to deal with.
#199803 - in reply to #199782
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Posted 1/29/2012 5:25 PM
H1LM002G55
Expert




Date registered: Mar 2010
Location: S Florida / Geneva / Jeddah
Vehicle(s): 500 GE, G55, LM002, H1
Posts: 1796
1000
Re: Am I a FOOL for Using this type of Rust Remediation???

Beautifully, beautifully done.

Bravo!
#199804 - in reply to #199775
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Posted 1/29/2012 5:36 PM
zimm
Elite Veteran




Date registered: Feb 2010
Location: pittsburgh
Vehicle(s): lx470, 76 fj40, 72fj40, 96 gelandewagen g320.
Posts: 788
500
RE: Am I a FOOL for Using this type of Rust Remediation???

i love these write ups.

if you wouldnt have spent so much on the facility, you could have bought a new G!


as far as the rusty tuck goes, every once an while, someone gets a dud. not very scientific, but that just seems to be the way it is. i have a good bit of surface rust under my lexus, and while i live in PA, and it is 12 years old now, no other one that ive seen this age is as ugly. im uncomfortable selling something that isnt up to snuff, so i'll give it to dingleberry when she gets her license.
#199806 - in reply to #199775
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Posted 1/29/2012 11:51 PM
W5YK
Extreme Veteran




Date registered: May 2006
Location: San Diego
Vehicle(s): 2002 G500, Unimog U2450,
Posts: 543
500
RE: Am I a FOOL for Using this type of Rust Remediation???

Nice work G-AMG!

I had this issue, and tried POR15. The rust would always come back. Then I noticed that if I lifted the rubber gasket, there would often be water trapped in there. So I filled up the entire gap under the gasket with some non-setting rubber goop from 3M. Very messy stuff. But it has worked very well. No rust, and I am at the beach every day, with surfboards on top dripping salt water everywhere.

Keep up the great post!



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#199818 - in reply to #199775
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Posted 1/30/2012 9:02 AM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
RE: Am I a FOOL for Using this type of Rust Remediation???

W5YK, I think you are right.... I don't think the 7mm Bead in the crotch of the frame is sufficient.

I will lay a bead of the Terostat under the Outer Lip of the Seal, as well.
#199823 - in reply to #199775
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Posted 1/30/2012 12:19 PM
gisham



Date registered: Oct 2006
Location: Orlando
Vehicle(s): 2002 G500 2007 R350 1967 FJ40
100
Re: Am I a FOOL for Using this type of Rust Remediation???

POR is good stuff- i went with the Rust Bullet system on my 67 FJ40 and it also seems to be holding up very well-

Edited by gisham 1/30/2012 12:20 PM
#199830 - in reply to #199775
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Posted 1/30/2012 1:23 PM
03-Gwagen
Elite Veteran


Date registered: Apr 2006
Location: Western Pennsylvania
Vehicle(s): CLK63 Black Series, 2018 G63, 2016 GLE300d
Posts: 888
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RE: Am I a FOOL for Using this type of Rust Remediation???

G-AMG - 1/30/2012 9:02 AM

W5YK, I think you are right.... I don't think the 7mm Bead in the crotch of the frame is sufficient.

I will lay a bead of the Terostat under the Outer Lip of the Seal, as well.



Won't the terostat potentially make the gasket lay uneven inviting more water and debris?

I laid a thin line/bead of clear windshield silicone around the rear door gasket several years ago. It overlapped the rubber gasket and the paint. Held up great and stopped the corrosion of the rear door and kept the gasket laying where it should.

Edited by 03-Gwagen 1/30/2012 1:38 PM
#199834 - in reply to #199823
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Posted 1/30/2012 2:41 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
RE: Am I a FOOL for Using this type of Rust Remediation???

03-Gwagen - 1/30/2012 1:23 PM

Won't the terostat potentially make the gasket lay uneven inviting more water and debris?



No, the Terostat is quite "Fluid", and presses out of the "Crotch" and forms a very nice seal. In fact, there were some areas where the Sealant actually pressed out of the Outer Lip of the gasket, and require clean-up.
#199836 - in reply to #199834
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