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VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). Non TDI related postings will be moved or removed.

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Old July 14th, 2009, 01:37   #1
Join Date: Jun 2000
Location: Meath, Ireland
Default Peeling overcoat/clearcoat

Hello All,

The clear overcoat on the bonnet/hood of my car is starting to peel off. I am not sure if overcoat is the correct term. It is the clear coating over the paint. Several spots, of varying size, mainly along the front of the bonnet. These patches do not necessarily correspond with stone chips. Also, have one starting on the top side of the boot/trunk. I noticed a few other Passats of similar vintage and they seem to be in the same state.

Is there any way to halt this before it all peels away? Is there a way to "fill in" the patches that are already there? Could I do any of this myself or is a paint-shop required? Many thanks in advance.
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Old July 14th, 2009, 09:30   #2
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Join Date: Mar 2004
Location: ABQ, NM, USA

Not bad for an 11 year old that may have been painted with environmentally friendly coatings...
Here in the US, from 1996-99, many cars are peeling and fading for the same reason.
05 Passat GLS 2.0 PD, UnChained & Steel GPs by VW, 15" steelies, New TB/WP, motor mounts, alt pulley, trans filter, cv boots, TSB #P9/66C8, clear bra & tint, both raxles. Now only driven 1-2 times per week. 121k miles (now for sale)

DD is a 2012 Kia Optima SX turbo with 274 hp and 269lb-ft@1,750-4,500rpm
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Old July 14th, 2009, 09:43   #3
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Join Date: Dec 2004
Location: Sheboygan, Wisconsin
Fuel Economy: Much better than the average car... :o)

I am afraid the real solution is for a proper repaint. There is no cheap fix for proper job.
2005 Passat GLS TDI, 178k miles, or 286,463KM. Now a daily driver Chainless and Gear Driven via the procedure by Oilhammer 06/17/2009, ngk hybrid glowplugs, Chainless and proud of it! Mileage?....adequate
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Old July 14th, 2009, 21:17   #4
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Join Date: Sep 2005
Location: Richmond, B.C., Canada
Fuel Economy: 800 km per tank (avg)

Just out of curiosity, do you know whether these panels may have already been repainted at time in the past; maybe by a previous owner as a result of some damage? Peeling as you describe is very atypical for VW's. Their body and paint standards are pretty high, and this is not common at all.

I agree with the others. A proper and full repaint and clear coat needs to be done. Anything short of that will result in the problem returning, as there appears to be an adhesion problem. This makes me think that the panels you describe may have been repainted at some point, and not properly prepped.
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Old July 15th, 2009, 00:52   #5
Join Date: Jun 2000
Location: Meath, Ireland
Default Thank you

I have the car since 2000. I was informed of some work done on one of the front side panels by the previous owner. But not the bonnet/hood. It is possible that some work was done on it and I was not told. The only thing that throws me is seeing the same type of peeling on other cars of about the same age.

I had a look over at vortex and it seems to be a fairly common thing for these cars. Also the B5.5. I dont think it is worth a respray. May try something myself at some stage.

Thank you for the replies.
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Old July 15th, 2009, 06:27   #6
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Join Date: Jun 2005
Location: Bedford, MA
TDI(s): 2006 CDI
Fuel Economy: 29 mpg

I have had good luck with paint scratch They sell colour matched paint, wet sanding paper and clear coat spray cans with instructions on how to blend the paint. I need to do my Mercedes at some point this Summer and got my supplies from them. The clear coat on my trunk came off last winter while chipping ice off the back window.
2006 MB E320 CDI 108k miles, avg 28 mpg
2010 Caterham SV, fixed
2013 MB GL450, big blue, 35k miles, 15 mpg sure sounds nice tho.

...former TDI A4, B4V owner...
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