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My wifes 92 pontiac grand puke's sun roof was working good then all of a sudeen quit. no noise no fore warning, like acting sluggish or anything...I checked the fuses, all good.. Could the motor just up and quit working with no fore warning like that?
You ask for help about a sunroof problem with a Pontiac on a Ford forum, and you get sarcastic because you don't have a reply in less than 24 hours? Yeeesh....
Agreed.
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However, you should be able to manual open it. (I certainly hope that it is stuck in the closed position! ) Do so and check the tracks for obstructions, gunk, lack of lube etc. Those type of motors aren't really strong and any drag over the years will cause the windings to burn out.
Motors can and will give up the ghost with no prior warning.