Rear sliding window
 

I have a 2014 f150 XLT that I recently replaced the entire rear window. Once installed I made sure everything worked then I realized my sliding glass doesn’t open all the way, it opens smoothly 1/4 of the way then stops there’s no noise or jumping like it’s stuck or rubbing on something.

How do I fix it so it opens all the way?

Was just looking at the install instructions and it mentions requiring an assistant to hold the glass/track a certain way while the window is positioned during install. Did you have any help?
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Yes just to hold the window in position while I put a few nuts on

Here's the procedure from the Ford shop manual, sounds like you may not have installed it properly.

https://cimg9.ibsrv.net/gimg/www.f15...95497ecfb9.jpg
https://cimg6.ibsrv.net/gimg/www.f15...6aca0cdfd9.jpg

HTH.
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Thanks man I'll give it a look again