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Q: Clicking noise in dash when automatic AC control is on. on 2002 Toyota Sienna

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
More info:
AC diagnostic codes are 23 (pressure sensor) and 31 (air mix damper position, front)

Online research leads me to believe that the main plastic gear in the air mix control servometer has stripped.

Request:
Would like to know if you concur and if so where is this servo? I have removed driver dash console, AC controls, and radio, but do not see the servo assembly.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Your research sounds correct. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
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