I have a 2004 Lexus RX330. There is a ticking noise in the dash in front of the stering wheel. Whether it is in motion or still, whether the A/C is on or off.
The ticking/buzzing noise is a common problem on the RX330. There is a plastic pin that is attached to the instument panel which inserts into a plastic housing on the firewall. This holds it in place to the firewall. It is a design problem that model year. In the 2006-models on have a piece of felt covering the plastic pin to reduce the vibration noise. The same noise can occur on the passenger side behind the glove box. You can try to access the white pin and stuff some felt/cloth, but it is difficult with out dissassembling the dash or glovebox.
Thanks! I have been having the same problem. It begins louder and more frequent, but reduces after awhile. Dealer service adviser quoted $1500 to fix it. I said , "no thank you. I will live with it. And will probably hesitant to buy another Lexus anytime soon, when it is a known design flaw they do not offer to fix it at free or more reasonable price.
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