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2002 Pontiac Bonneville Question: my heater only blows thru dash vents. Passenger side climate control blows cold

 

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jaymcg16, 3.8L V6, Potwin, KS, January 27, 2014, 14:05
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I'm thinking 1 or more hvac actuators r bad. Can anyone tell me which acuator is bad. Its been a cold winter in Michigan not to have your heater working right. 25 below wind chill today:(

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    G. T. Service Center (3152 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG January 27, 2014, 14:13
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    Mode door actuator for vent problem, temp/blend door actuator for passenger side. Fix your town on your posting, it says Potwin Ks.

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    jaymcg16, January 27, 2014, 17:45
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    OK thanks. Ya I seen town was messed up

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    ProfessorG, January 27, 2014, 17:47
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    Sometimes we ignor the Potwin post.

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    jaymcg16, January 27, 2014, 18:08
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    First time on this site. I was hoping it would only b one actuator but I had a feeling it was two. R both of them on passenger side? Hard to change?

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    ProfessorG, January 27, 2014, 18:13
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    Not really. The mode is fairly easy beside the gas pedal. Temp for pass is harder. Have to get to top of heater box with the dash out of the way.

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    jaymcg16, January 27, 2014, 18:28
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    OK last question. I'll start with mode since its easier and I need it more. Is the drivers temp actuator by the mode? If they r I don't wanna take out the wrong one. I looked up there and thought I seen two different actuators

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    ProfessorG, January 27, 2014, 18:33
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    Sorry I have a cold not thinking to straight. Watch them and change the driver temp and see which one moves and the other one is the mode. I think the mode is the one closest to the dash.

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