Customer states Rattle from Sunroof. Lexus ES350. Let's Diagnose and Fix it!

A Toyota Master Diagnostic Technician looks at a 2013 Lexus ES350 with a rattling sunroof with a common problem. The fix is simple and demonstrated in this video.
Customer states there's a rattle from the sunroof. This is a common rattle for this generation Lexus ES350. We'll take a listen to the noise first.
It is very important to verify the concern that you have and spend majority of the time in diagnosis. A typical mistake that junior mechanics and\or DIY mechanics make is rush the diagnosis and move on to replacing parts.
I'll show you how to isolate if this is a seal issue or not. then we'll move on to the repair.
For the repair I will show you how to replace the Sunroof or moonroof seal on this 2013 Lexus ES350 which not a difficult job to do DIY but there are some precautions to take when handling the sun roof glass.
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0:00 Intro
1:02 Diagnosis
1:57 Removal of Sunroof Glass
6:12 Installation of Seal
13:41 Installation of glass and alignment