Although many new cars come out without any defects at all, some models have issues that reveal themselves over time. While many people bought the 2002 Mercury Cougar, a handful of problems involving the vehicle's sunroof began to reveal themselves over the years. These sunroof problems can have several possible causes.
Whether from fuses or from the signal not traveling from the button to the components moving the roof, in many cases the 2002 Mercury Cougar's sunroof won't open or, even worse, close, due to electrical issues. Though sometimes repairable with the replacement of a fuse, the problem may stem from the wiring itself.
Many 2002 Mercury Cougar sunroofs fail because the pieces don't fit together correctly. The glass might be slightly too large or the rollers slightly small or tight---or both. the sunroof incorporate a combination of small moving parts, and having just one minor piece off can debilitate the entire mechanism. If the sunroof pieces don't fit together perfectly, it simply won't work.
Owners 2002 Cougars have reported sunroofs that stick open, allowing rain or snow to enter the vehicle and even damage the interior. Even without precipitation, cold wind blowing through an open sunroof can cause discomfort for drivers and passengers alike. Depending on the exact problem, you may require a professional mechanic to repair the sunroof and keep it from sticking.