rinktums

Hi group. I drive a 2013 GS 350 and sometimes hear a clunk in the rear end. The most reliable way to reproduce it is to make a left turn across traffic and then immediately veer right and up a small incline in to my favorite gas station. That combination of steps will almost always produce the noise. I've described this to my Lexus service advisor and drew a blank. They haven't gotten under my car yet to investigate. I'm hoping to have something to suggest before I schedule a service appointment. Sound familiar to anyone? Thanks.

LatinLS430

iTrader: (1)

Yes, it's not the suspension but more than likely your sunroof making that clunking noise. Do a search for sunroof clunk and you''ll see that it's a coming issue with the 2013 models.

dchar

I had a similar issue when I had my 2013. It ended up being related to the sunroof. Parts were replaced under warranty.

viperr

iTrader: (1)

And here's the thread for replacing the sunroof seal. DIY for $45.

https://www.clublexus.com/forums/gs-...-for-free.html

rinktums

Closing the loop on my clunk question. Based on the wisdom of this forum, I took my GS to the dealer to investigate the clunk and the steering wheel spiral cable noise. They confirmed both and repaired them at no cost to me under "goodwill" and warranty. (I have a Platinum extended warranty for 5 more months.) The service ticket says, "per SMAP -- TSIB -- retorque headliner and moon roof bolts" and "replace spiral cable". Thanks again for the excellent feedback, LatinGS350, dchar & viparr.