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Pretty sure they would be the same thing from China? The original pinion looks to me like a die-cast part. If it was hardened steel, it would never shed teeth or go out of time. But then that just means the next part down the line, the pawl, would start to fail.

Agreed. The design is weak. If the window is hard to crank up due to alignment issues or even fresh seals, then it will fail on you sooner than later. If not the regulator, then other weak links such as the pawl or the handle which are all diecast and have sloppy fits. That is why I went the...

I tracked down some Blazer power rear window guts and finally got that installed and working, but not without 2 major challenges. The first one was clearance between the bottom rail on the window and the rivet heads on the regulator arms. Just enough for it to catch and hang up. I first...

UPDATE - an '89 or '90 Suburban power window setup (pic below) WILL NOT transfer over to '84 1009. With this version, the motor is geared to the right rack (earlier versions use a speedometer cable attached to a remote-mounted motor). While the bolt holes are a match, the issue is clearance...

Visited the yard today, and was able to complete Phase 1, hot-wiring the rear window to go down so I could open the tailgate of the '89 suburban. Everything looks good inside. The '89 setup has the motor driving the pinion gear for one of the arms. Earlier setups of photos I have seen used a...

Ryan, I saw 2 blazer tailgates on eBay last week ... both with power windows ... from somebody up in WI ... I can track them back down if you are interested.

Local yard has an '89 and a '90 suburban, both with power rear glass. I have seen mention of using suburban tailgate guts in the blazers. Anyone know if the regulator and associated parts will transfer over to the 1009?

Agreed wreckerman. It's a shame. Although it may at times be subjected to a high load (window get jammed), it does not really have to experience that many cycles so it should last. I look at the dang regulator and 1st thing comes to my mind is that it should be a linear actuator (threaded...

Well, 1 week into new ownership and the manual rear window mechanism went out. The action was notchy and then it just would not move. Took it all apart and even with it on my workbench, the regulator would bind up about every turn of the crank, which made me suspect I had a missing tooth for...