I was asking for a picture of the bubbles.
My '00 SS has T-tops, but I rarely take them out, but next time I have them out, I'll look.
From Jim's suggested search, I chose Page 90 of LS1Tech.com:
Below is the summary of the first post of this thread:
***Summary of Issue as of 8/9/2012***
4th gen F-body sail panels are adhered to the body of the car using glue (urethane). The bubbling sail panel paint issue is due to this glue seeping through the panel and causing bubbles along the surface of the panel. The reason for the seepage seems to be due to the lack of paint/epoxy primer on the underside of the panel, a process change which started at GM on very late '98 cars (05/98 and later are at risk) and affected all '99+ models. This allows the glue to directly contact the panel and seep into it over time. Heat/UV exposure seems to bring the glue through the panel once it's begun to seep.
Sanding/painting/bondo'ing/etc. will not fix this condition. Complete panel replacement is the only permanent fix. Once the glue has eaten into the panel, there is no way to correct this from the top side. The problem lies underneath, and nothing you do on top is going to change this. The only other option would be to never drive the car in sunlight.
This panel was discontinued by GM several years ago. At this point, your only options for panel replacement are:
New reproduction panel from site sponsor 6LE (fiberglass or carbon fiber)
Used panel from a donor 4th gen car built prior to 05/98 (and yes, an LT1 era car panel will fit and work just fine)
Have a custom panel made by a body shop that is good with fiberglass fabrication
There is a GM TSB out about this issue, but this is NOT a recall. Here is a link to the post containing the original TSB:
There was an updated TSB issued in April of 2003, but the only scanned file of this I can find is currently not working (on page 35 of this thread). If someone has a scanned copy of this 4-2-03 revision, feel free to post it in this thread, and I will link it to this summary. Having said that, the repair process is the same between the two TSBs.
Glues that have been approved via the GM TSB for new roof application:
- U400 HV Essex (Dow)
- 3M Urethane 08690
Rarely, some customers were able to get GM or their dealer to cover the cost of replacing the panel, but this is no longer an option as GM doesn't stock the part and won't pay to locate/obtain/install a reproduction or used panel. The last person I've heard about that was able to get GM to cover the repair did so in or around 2008.
A carbon fiber panel would be nice.