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Discussion Starter · #1 ·
have 05 trailblazer and the liftgate will not open it sounds like it's locking and unlocking fine but will not open. the glass will not even, if you push the button its like there's nothing there. any help would be great. thanks.
 

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2004 gmc
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Usually jammed or corroded actuator rods inside. There's an access hole to open it manually (see Owner's Manual), then look at the mechanism and lube it.
 
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