The door of my 2001 GMC Sierra z71 is stuck closed. I can hear the latch mechanism move slightly when the inside or outside handles are used, but not in any functional capacity. Two local mechanics have been unable to even diagnose what the problem might be, and the authorized dealership where the truck was purchased is out of business. Any ideas?
Our GMC has a similar problem. Door panel was taken off and discovered the inside handle was cracked at the base and not engaging. Taking it off proved to be a bear, the tabs on the decorative ring broke and we still have not located a replacement handle or ring...good luck.
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Probably stuck linkage on either the inside or outside door handle. Try spraying the latch mechanism on the end of the of the door with some WD40 and see if it will operate properly. If not, you'll probably have to pull of the door's inside panel and inspect/lubricate the linkage to both the outside and inside door handles.
The door lock is not working. Operate the remote keypad, the driver's armrest door lock switch, and the overhead switch until you hear the latch work, then open the door. If this approach fails, 10A FUSE 11 in the central junction box may be open or the rear electronic module may have failed. Once you have the door open, apply WD-40 to the mechanical parts of the latch to prevent future problems.
Two things happen. One the latch is already latched and therefore it's closed before the gate shut, When you try to close it you might notice that the door don't close all the way. This doe'snt have to be thwe case. the other thing that happens if the lock mechanism is working, You here it click? The latch is stuck as the opener is stuck. You might get lucky and spray the latch with Blaster or other rust buster type penatrant. Theres angles though the opening of the latch . Spray on several angles and repleatly close the door trying to vibrate the Penatrant into the stuck area. Looking at the latch use a screw driver to move the latch and see if you can cycle it though it's positions to see if you can latch and unlatch it with the tool and reopen by pullung the handle ( you may need to try ther inside handle too and even the remote openner if you have one. Ussaaaly you need to push the button twice to open the rear hatch so it may take a few trys and spraying to get it to come loose.. Some vehicals stay closed a long time and stuck is the way to think.. But if the door is used often the linkage inside the door mayh have come off the the latch is closed and the linkage doesn't open the laTCH AND THE THING MANAGED TO GET CLOSED WITHT THE DOOR OPEN.
Do any of the door handles inside or out feel sloppy (when you pull on them does it feel like there is nothing connected to them)?
If so that the levers on the latches are probably rusted up and sticking. Say for example the outside door handle lever that is attached to the door latch is stuck half way in the open position it will not allow the door lock mechanism to lock or unlock. The door will still latch and stay closed because the lever will not be stuck far enough to release the latch mechanism from hold on to the striker.
I have had pretty good luck removing the door latch (the part that actually holds the door closed) and soaking in penetrating lube and working all the levers until they move freely.
As far as the door that doesn't open I suspect it is stuck in the lock position and one of the handle mechanisms is in the partial up position. Again the symptom would be a sloppy door handle. That lever will need to be put back in its normal resting position before the door can be unlocked. This can be done with a slim jim. Once you have the door panel apart on the door that still opens you will be able to see the parts you need to move. You can then use that knowledge to move those parts on the other door that doesn't open.
If you don't have any experience with a lockout kit (i suspect most people do not) that that's the best way I can describe how you can do this yourself.
go inside, lift on handle, then beat the **** out of the door pounding it like your trapped in it trying to get out. latch mechanism is probably corroded and froze shut. once open, spray with wd40 and work the lever a lot. then get door panel off to see if handle is broken inside
You may have 2 issues going on at the same time.
1. The child lock safety latch is up, preventing you from opening the door from the inside.
2. The inside clip to the rod that opens the door from the out side could of come off from closing the door to hard. Or the lock itself is getting stuck.
Roll the window all the way down, and look through the window crack with a flash light and see if any of the rods are just hanging and not connected.
If there are you can try using a slim jim with the cut out part facing up and try to catch the latch and pull up this could open the door.
Or you can try to take off the door panel from the inside, however this is very difficult and should be done by a professional becuse you don't want to break any thing or cause more dammage.
Once the door panel is off you can then pull the inside door release rod and open the door.
One more thing you can try: Pull the inside handle and the out side handle at the same time while having some on pull or push on the door, it just might be stuck and need a little force to open!