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beetlecrx Samba Member
Joined: October 24, 2004 Posts: 133 Location: toronto,ontario
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Posted: Sun Feb 13, 2005 7:22 pm Post subject: How do i remove Factory Rustproofing from inside of fenders |
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Im doing a restoration on a 74 super beetle, How do i remove the Tar like rustproofing from the inside on fenders,, i dont want it sandblasted as im afraid who ever does it might overheat the metal and warp it ,Will media blasting work, or chemical dip, any info would be appreciated |
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RareAir Samba Member
Joined: May 11, 2002 Posts: 14576 Location: 18 miles North of the border
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doubledd Samba Member
Joined: March 05, 2004 Posts: 134 Location: South Georgia
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Posted: Tue Feb 15, 2005 5:50 am Post subject: Undecoating |
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You may want to try a small can of Klean Strip from Wal-Mart. I haven't tried it on tar or undercoating but my guess it will work. I'm stripping my whole car with it and 4 layers of paint and primer are rolling off *with a little scraping. _________________ VW's Are Like a Box Chocolates. You never know what your gonna git. |
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71VOTB Samba Member
Joined: September 09, 2004 Posts: 346 Location: Midwest
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Posted: Tue Feb 15, 2005 8:29 am Post subject: |
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VW Trends did an article on this in their 71 Super restoration project. It may still be on the web page somewhere. After trying everything some kind of paint stripper, I think, came out on top. _________________ Gone Fishin' |
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marklaken Samba Member
Joined: March 19, 2004 Posts: 2416 Location: fort collins, CO
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Posted: Tue Feb 15, 2005 8:41 am Post subject: |
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chemicals suck...they are stinky, messy and slow...use a heat gun (or an old hairdryer) and a 2" scraper...sharpen your scraper frequently and try to peel off big chunks...a lot of time, once you get it started a large chunk will just pop off...then just sweep up your mess...it'll take a while and suck, i wouldn't devote a day to this crappy task...just an hour here and there until you are done!... _________________ Wish List:
1967 Wesfalia SO-42 Parts Needed: Kitchenette, Cot Poles
'65 rear left beetle fender
15" Bus Wheels in fair condition
Mark Laken
Fort Collins, CO |
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75 VW Beetle Samba Member
Joined: October 01, 2004 Posts: 121 Location: Saratoga Springs, New York
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Posted: Wed Feb 16, 2005 10:39 am Post subject: |
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To clean my fenderwells and floor pans I used a little propane torch and a puttly knife..Very time consuming if your getting ready to have car painted..
This takes most of the undercoating off and then to get rid of the stickey pine sap stuff VW used laquer thinner on a rag.
Watch out for fuel lines, etc when using fire! _________________ '75 T1 Std Sedan
'10 Golf 2.5 Coupe |
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Grey Ghost Samba Member
Joined: July 16, 2004 Posts: 45 Location: Houston (Katy)
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Posted: Wed Feb 16, 2005 2:54 pm Post subject: |
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marklaken wrote: |
chemicals suck...they are stinky, messy and slow...use a heat gun (or an old hairdryer) and a 2" scraper...sharpen your scraper frequently and try to peel off big chunks...a lot of time, once you get it started a large chunk will just pop off...then just sweep up your mess...it'll take a while and suck, i wouldn't devote a day to this crappy task...just an hour here and there until you are done!... |
I second the heat gun method but make sure that you do not get any residue down the heat gun or you will be buying another one. Heat, just as marklaken states, makes that stuff come off in chunks. I did the entire bottom and all the fenders one Saturday afternoon but I gotta tell you, I did not get up Sunday morning. _________________ Grey Ghost
69 Convertible - 69 Baywindow
06 New Beetle Convertible - 06 Jetta TDI |
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nthang Sambassador
Joined: February 05, 2003 Posts: 158 Location: Up Stream
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Posted: Wed Feb 16, 2005 9:09 pm Post subject: |
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Xylene cuts through bituminous compounds like "tar" very nicely. Its cheap to buy but hazardous as hell to use. Wear chemical gloves and respirator. _________________ NTHANG, LLC |
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sapper364 Samba Member
Joined: January 12, 2005 Posts: 6 Location: Crocker MO
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Posted: Thu Feb 17, 2005 12:20 pm Post subject: |
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I'm doing the very same thing right now, I found using a heat gun, with one of the paint type scrapers, (short, stout, has a small point on one side) works well, run the gun over the entire surface starting from the bottom, once the metal behind the undercoat warms it breaks the hold and you will get nice big pieces to peel off. The light coating will chip away much easier when it cools. But as stated it is time consuming. |
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PhatPhenders56 Samba Member
Joined: January 28, 2005 Posts: 27
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Posted: Thu Feb 17, 2005 12:40 pm Post subject: |
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Steam jenny! AKA Steam cleaner. _________________ It's not a car.
It's an OBSESSION! |
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Bryce Anderson Samba Member
Joined: January 16, 2001 Posts: 5
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Posted: Wed Feb 23, 2005 12:55 am Post subject: |
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the fastest way ive found is scraping it COLD with a dull flat blade screwdriver, flakes right off, sweep up the mess. IMHO Ive tried heat and chemicals they just take longer and create a bigger mess. |
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not2bright Samba Member
Joined: September 28, 2004 Posts: 72 Location: poulsbo, washington
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Posted: Thu Feb 24, 2005 12:45 am Post subject: |
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i heard if you take dry ice and cool the tar really cold i just flakes off with a screwdriver _________________ green 69' bug
Pacific Coast Volks |
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beetlecrx Samba Member
Joined: October 24, 2004 Posts: 133 Location: toronto,ontario
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Posted: Thu Feb 24, 2005 9:17 pm Post subject: |
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i think i,ll use the heat gun method, i tried the Carb cleaner, it worked but made a huge mess, mostly all over me, thanks for the info |
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