The actuator is either got stuck/blocked or cracked.Mostly its cracked and actuator needs replacement.
The piece that attaches the actuator to the release lever breaks.
Check for proper operation of the actuators. The actuators are simple stepper motors and are prone to locking up, also on the end of each actuator is a little rubber bumper that will wear down and fail to make full contact with the latch. Replacing the actuator will most likely be the only way to correct the problem.
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how do we get to the latch to replace it
The rear window latch on the '95+ blazer can be adjusted. Really need to know the year you're workin' with.
Anyway... You have to remove the trim panel on the hatch, then there's two nuts that you can loosen and then move the latch in. Be careful, a little move is a lot of tightening. Of-course, if your pins are loose on the hinge for the window, you may have to either drill the hinge out and put custom bushings in or do as stated above (only temporarily).
Tools required:Trox T-30 Screw Driver.
Step #1 - Remove the two screws holding the trim on to the lift-gate
Screw #2 is a philips screw located at the window latch location (window must be opened to remove).
Screw #2 is a reinforcing screw for the pull loop on the door.
Step #3 - Removal of the lift-gate trim panel... The trim panel is held in with spring clips around the bottom as well as a suedo C-clip type retaining around the window area. You can start at either of the bottom corners of the trim panel where you can get a hold of it. The spring clips will come loose, but some may need a little more persuasion. This is where you may need a prying tool. Anyway, if both of the screws are out, then the panel should just pop off.
Step #4 - Adjust the latch for the glass. Loosen the nuts circled in red only enough to allow you to move the latch. Each time you make an adjustment, close the lift-gate and carefully close the glass to see if the adjustment was correct or if it was too much. The yellow arrow denotes the electronic release striker. The actuator is just below this and can be seen in the picture below
Step #5 - Reinstall the trim panel making sure that all of the clips are secured. The c-clip type things are a bit of a pain as you have to make sure that the trim panel is behind the plastic posts that stay in the lift-gate frame.
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yes but not detailed enough
Thank you so much all this info was great you are great thanks again
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