Question about Mercury Grand Marquis

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Can't raise or lower drivers just thumps and tries to move.

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The window regulater is broken or came apart. Most of the time when they come apart they can be put back together but to stay fixed you need to change the regulater.

Posted on May 13, 2010

Testimonial: "Thanks for the quick response....I'll try to find a guide to replacing the regulator. Great service!!!"

  • John P Schwantes Jr May 13, 2010

    The hardest part of changing the regulater is paying for it and getting the door panel off. The screws are hidden behind covers and in the edges of the panel it rasies up a little before it can be pulled off. the electrical connectors are next as the power window switch can come apart if you pull on it too hard. same for the lock switch. they can be raised out of the panel before its removed and the wire locks pushed back enought to pry off the connectors. the battery being disconnected is a good idea. The motor comes off the regulater first and with it still wired and removed and hanging by the wire reconnect the battery and the window switch and operate the motor. sometimes the clutch in the motor goes bad and they have a help line clutch inserts that only cost a few dollars and will fix some power windowmoters clutches. If the motor works good and you can't hold the gear back ( it's very powerful and can hurt you if it's OK) your on to the window its self. it may be able to be pushed up or down by hand now but sometimes when the regulater breaks it'll not move and you'll have to unbolt the regulater ( or drill or chisil the rivets ) let the window down a little to get to the bolts that hold the window to the regulater. a helper and tape over the top of the door hooking to both sides of the window may help you to not drop the window into the bottom of the door. a regulster body shop should charge aroud $100 pluse the regulater that they'll want to buy and mark up. This is a job you can get hurt doing and you can break other things that can cost alot to aquire. The car is getting to be old enough that some of the parts in the door may be hard or impossible to get



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