I had the same problem removing my translite. Thought I was going to break something every time it was removed and re-installed. After measuring, inspecting, and trying other translite assemblies (TOTAN and MB), I came to the conclusion that the problem was the plastic white insert behind the glass. Looks like CGC redesigned this piece for LED strips and didn't leave enough clearance on the top. The main clue for me was a black line on top of the white insert where it was hitting the internal wood guide and rubbing off black paint. I had to put a lot of upward pressure to get it out. There's nothing wrong with the glass size or plastic trim pieces or the speaker panel or the back box cabinet size. I spent hours measuring this stuff.
This bugged me sooo much that I decided to fix it myself. I waited until my family was out for a couple of hours (wife would of had me committed if she knew what I was about to do) and removed the back box from the machine. Next, I removed speaker panel and turned the back box upside down. Using a sanding block with 120 grit paper, I sanded the edge of internal wood guide to match the angle of the insert. I only need about an 1/16" of additional clearance. After sanding for a few minutes, I cleaned up the dust, turned the back box right side up, re-installed the speaker panel and tested the translite fit. First try was much better, but still needed a little more clearance. After repeating the sanding sequence 1 more time, I was very happy with fit. To hide any evidence of my modification, I painted the area I sanded with semi gloss black paint pen. The whole process took a little over an hour, but I was being very careful with everything. A little novus on a rag cleaned up the black line on the insert.
I'm not sure how CGC would have resolved this. In their defense, I didn't give them a chance. Do you have the same issue? Try this...remove the plastic white insert from your translite assembly (keep your trim pieces on). If you can freely remove/install your glass, the problem is with your white insert. If not, you have a different problem.