Window motor rivets

How goes it all? Trying to figure out these squirrley window motor rivets that came with the window motor. They're half way threaded, almost headless bolts. What head there is is hollow.
They also have an aluminum(?) collar with a head that slides down the bolt. I'm assuming the collar goes all the way thru door and motor with the bolt head on the other side. Thread a nut down the shaft to the head of the collar, put vise grips on bolt shaft to keep it from turning, and crank down on the nut hopefully pulling the "head" of the shaft into the collar and flaring it a la pop rivet style.
I've learned a few things about window motors;
It's a Not Fun Thing. With the lift mechanism out of the door, the window closely resembles a guillotine; this is not just a passing coincidence. Captain Morgan and Murphy are close friends; one attracts the other. You don't have enough cigarettes for this job, however you can drive to 7-11 for more without the inside of the door, with the shaft of a hammer holding the window up. This is preferable to say... enlarging the miniscule holes in the door frame with a coach gun. It is a closely kept secret that somewhere there is/was a GM plant with an assembly line. On one end came out cars. At the extreme other end were 2 window motors suspended in mid air. The car is built around them. The sun is much better to see by than a shop light. The old lady across the street has a cute niece and a bad water pump.
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If you're talking about the rivets holding the regulator to the inner part of the door, they will be replaced with bolts and nuts when you put it back.
You can grind, drill or "whiz wheel" off the rivets. Support the glass and regulator, you don't want it coming down abruptly.
Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director '80 Carousel Red Turbo T/A, 27k orig. '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 143k and still going....
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On 11 Jan 2005 11:00:26 GMT, snipped-for-privacy@aol.com (Bigjfig) wrote:

I drilled the sides of the rivet heads and knocked them off with a punch. My supplier of the new motor included what looked like the original rivets. Great big threaded mutant pop rivets they were. I considered how I might use them but finally just put in bolts, cinched 'em down with nuts with nylon inserts, and cut the bolts off flush with the nuts.
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If you ever have to do it again: Next time center punch the factory rivets. This removes the center stud. Then you can drill the heads with ease.
As for reinstalling. I always use the rivets. It's quick and easy. Not to mention correct. Charles
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The following web page details, with photos, how to change the motor. Hope this helps!
http://shbox.com/page/windowmotor.html
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