no heater control
rairigh915
12-28-2007, 02:51 PM
98 grand prix 3.8 gt with digital climate control. what is the part called that switches the heater modes? Like defrost,floor, or vents. I have heat but it just wont switch modes. Is it called the heater control switch or mode actuator motor? Cant remember.
tblake
12-29-2007, 12:33 AM
have you check for vacuum leaks? I think the vacuum line that runs near the battery is the one that contolls HVAC position. Might want to check and see if its broken.
rairigh915
12-29-2007, 03:56 PM
heater blend actuator is what it's called i guess.
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