lol man honestly im so lazey when im not at work, i just cant be stuffed trying to fix stuff, id rather just buy a new one and know itll last another 10 years before i have to replace it again (knowing i wont have the car for another ten years also helps).
ahhhhh i cant lie with a straight face once i replaced it i opened the other one up by cutting the pop rivets off to see whats inside. What i noticed inside is, i don't think cleaning out will fix any issues, there is only three gears, a DC motor and a Spring. if there was a sensor of some type yeah cleaning mite aid this but its pretty much mechanical besides the DC motor that has a + and - terminal. It has no other electronics.