1996 GMC Sonoma Repair Question
96 gmc sonoma ac/heater controls do not work
It sounds like you lost a vacuum hose under the dash somewhere. The vacuum controls the mechanism that controls the air flow selection.
You might be able to here the vacuum.
And if you;'re a smoker, blow smoke under the dash and follow it.
Or bad control valve
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I'll try that, thanks for the help, I hope it works, its kind of annoying.
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