I did it with Mr AlohaJen on our 60 series. Same overall size as the 80 windshield and same fsm procedure with the sealant. Was pretty easy and wouldn’t hesitate to do it again, but a third person would have made it a 5 min job. Neither of us had done before, just YouTube it and used the string method. Pics or it didn’t happen...
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I don’t remember if these are the 80 or 60 instructions, but I believe they were almost the same for both.
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So the sealant is added AFTER the glass is in?
Also, did you have to remove or drop the headliner or any of the A pillar trim?
Can you show us how you were holding the suction cups?