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That doesnt look to the right carrier. The axle thruput is in a different location, at least it appears that way to me. The actuator is for sure in a different location. The left one, the right bolt is inside the 2 bolt holes, and the right one, the right bolt is to the right of the 2 bolt holes.
The throughput location is just the angle of the picture of the old one. Location of the actuator is the same. If you shave off the extra tabs on both of them, they are the same. The orientation of both are the same.
ETA: I wonder if the shape of my old one is a redesign? My truck had 130K on it when I bought it so I wouldn't have thought it would have been replaced in that time period. It did come off very easily, though. As in, it fell out when I got all three bolts loose. I was stressing that I would have to beat on it a bit.
According to my buddy at the dealer, when I tried to get a new oil pick up tube, he said the tube was discontinued, but the later years are avail. However the oil pan part number is different for the new pick up tube.
Perhaps the actuator changed with the oil pan part number.
If it is still out, push the recessed part. Or look at the old one. The actuator just extends out and pushes that keyholed part. Or at least that's how I think it works. Like I said, it works. Mine does.
That thing you're looking at in there is what is pushed. That is the face of the fork IIRC and the actuator just pushes inward. Push your finger in there and you'll see. Or, just bolt the actuator in place and call it a day because that's all you really need to do
Oh man, just looking at that disconnect reminds me of when I replaced mine!
It took me quite a while to remove the old one from my transfer case.
Within one year:
Between needing a new disconnect, replacing trans lines and a fuel neck, ongoing issues with the radiator fan, having to completely rebuild the trans, and the frame beginning to severely rust, I got tired of it "nickle and diming" me and traded it in for an Acadia. I do miss my Envoy, but seriously needed something more reliable. Strange, but I now find myself being bored at times and kinda wished I had something to work on...