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Username Post: popping noise from dash
"6th Year" Gold Supporting Member
Posts: 2752
Age: 33
Loc: Utica ny
Reg: 04-13-10
11-23-18 12:46 PM - Post#2752201    
    In response to Henrys57wagon

yup actuator. Extremely common issue.
There is 2 of them if it has dual zone, at least for the blend door. Not including the mode door actuators.
But if yours is right behind the radio it is the drivers side blend door actuator
Old School GM fan FOREVER

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