Is the only (or best) way to replace moldings around lift gate glass to completely remove the glass? Concern is glass cracking

I did my first startup after rebuilding my engine and dealing with a lot of vibration. Also my Crank pully seams to be wobbling. I have a video I can send to any one who may have some insight. I am not able to upload the video here. Thank you.

Looking for the triangular plastic piece is at the front of the passenger window in mint condition. Mine is cracked and needs to be replaced. Let me know what you have, and a picture is even better. Shipping will be to 35748.

Let me know what you have!

Over the years these cars are notorious for spinning bearings due to dented oil pans or lack of required services. What I'm looking for is advice and past experiences with people who spun a bearing and rebuilt the engine successfully. I'm not sure how severe of a issue I have in mine but I know...