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#1
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Vapor Barrier- Repair or Replace?
When I replaced the DHC in my LR door, the barrier was fine, I simply used a heat gun to revive the adhesive. I find that a previous surgery on the RR door was less than delicate, and the barrier has been ripped in 2 places. I'd rather fix what I have if practical. Thanks!!
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Chief 2004 3.0 6 speed manual |
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#2
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Gorilla tape does a fine job of hemming a torn vapor barrier. Aluminum duct taped would as well.
As mentioned above heat in the form of a torch or heat gun will reactivate the original sealant to glue the VB back on. I saw through the glue with a break away razor knife extended a few inches. It leaves some adhesive both sides then I hit both sides with a micro torch to make gooey before re attachment Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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Thanks! I'll give the Gorilla tape a try.
Annoying to find that the high end shop that were the only prior ones to work on the door ripped it up like they did. It's not that hard to separate it from the adhesive.
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Chief 2004 3.0 6 speed manual |
#4
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The barrier sealant/sound deadners are expensive but if yours are way too torn up, just replace them. It will be easier in the long run. If you are dealing with a few tears, add a little sealant to that area.
https://images-na.ssl-images-amazon....1vLz3YrEZL.jpg Some panels get this weird greasy film on the sealant contact areas that will not clean off. The only way to make the 3m sealant roll adhere is to replace the whole panel. Some posters even make clear plastic sheet panels as replacements but now they have to deal with the noise that comes from removing the barrier. Might as well as use a coat hanger to resolve the door handle carrier at the same time.... Cheap but way too ghetto
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2005 X5 4.8IS The Blue ones are always FASTER.... Current Garage: 2005 X5 4.8is 2002 M5 TiSilver 2003 525iT 1998 528i Former Garage Stable Highlights 2004 325XiT Sport 1973 De Tomaso Pantera, L Model 1970 Dodge Challenger T/A 4 sp Alpine White 1970 Dodge Challenger T/A 4 sp GoManGo Green 1971 Dart Sport, “Dart Light” package 1969 Road Runner 383 1968 Ply Barracuda 340S FB Sea-foam Green Last edited by StephenVA; 10-31-2019 at 09:12 AM. |
#5
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Quote:
They tried to peel it away like the manual suggests but that probably only works for the first 5-8 years after which the adhesive is stronger than the foam so It must be cut. I tore the first one I worked on trying to peel carefully until I realized how easy to saw through with a razor knife extended a few inches
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#6
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If you are concerned about cost, then I guess you can use the clear plastic vapor barrier Home depot hardware sells for people to put down in the basement before pouring concrete.
This plastic lining is thick. Just cut to the same size and make your own holes etc.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
#7
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Somebody posted some very similar foam vapor barrier foam sheet. Also: you can layer. Put a simple plastic sheet over the foam to keep the sound deadening of the foam and vapor barrier of the plastic.
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#8
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Some cars come from factory with plastic sheet.
Here is the 1987-1993 Mustang Vapor Barrier: https://www.youtube.com/watch?v=-IO06H4wm-k
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
#9
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
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