you will need two people for this job, go to an automotive sotre and get " gator wire" it has one sharp edge, poke a hole in the rubber gasket to feed the wire though and then go back and forth using the wire like a saw and it will cut the gasket and release the window.
You can replace the rear vent window on a 2001 Chevy Blazer LS 4x4, 2 door with Direct Fit Power Window Regulators.
replace rear window wiper motor on 2001 Chevy venture
go to the library and copy instructions from a manual
you need to replace the window support struts.. get a set here http://www.gmpartsdirect.com
There is a control module from Chevy for $65.00 that controls the rear window defrogger and antenna signal. Its located in left rear window pillar behind the plastic trim. its very simple to replace.
Pry up clip on ends and pull off.
The driveshaft unbolts from the diff at the rear. If you haven't found this out maybe its best to take it to a garage.
Gain access to the rear of the socket. Unplug the wires from the rear. Unscrew the housing and the socket will come out the front.
You can refer to your user manual to ID the rear end gear ration in 80 Chevy pickup.
what is the size of the back window of a 2004 chevy silverado
u go to the place u bought it and they put a special super glue to repair
Probably for the rear window defroster