My speedo needle on my C5 convetible seems to stick in place periodically. My guages have been updated with the white faces and was done by the previous owner. Could this be the problem or has any one had a similar experience that can relay a possible other cause for the needle to stick.Any advise would be greatly appreciated. Thanks

It is likely that the speedo white faced stick on is the problem. i had the same problem with another car and eventually had to take it back apart and reseal the stick on component and heat it with a hair dryer.
Best of luck,
Morpheus