My 04 liftgate is stuck closed. The gate or the glass won't move. It sounds like it is unlocking but nothing will move. Is there a way to open it from the inside? Is there a common problem like this? The gate is manual, no power

 

this is for the 2007 and up, but you might give it a read and see if it might apply
https://chevroletforum.com/forum/tah...l-power-69087/






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Update

After locking and unlocking several times it opened. I pulled the rear panel and everything looks fine, nothing bent, broken, or not connected. So I don't know if it was operator error, something sticking or something else.
I'm just thinking about unplugging the lock actuator so I can still open it and leave it unlocked for the winter and mess with it in the summer when it's not 10 degrees outside.
If it won't open, I found that if you crawl inside the talegate panel is 2 pieces and you can bend the bottom piece open enough to unlock it manually, it;s right there and takes 2 seconds.

 

Thanks for the follow up, keep us updated if you find out what the cause was should it come back...