Sonoma the air flow control does not change to ac or vent it is only doing full heat. sound like heater box has issues. doies the heater box have trash in it, like leaves???? It might be a vacuum line
...Sonoma SLE 4.3L My engine temp gauge is not working. Itried replacing the coolant temp sensor to no avail. I'm trying todetermine if The engine is cooling properly or if its only a short inthe gauge ...
...heat is on? This is on a 2003 GMC Sonoma 4.3 yes it keeps the humity out of the air in you car On many GM products, yes, the AC compressor can and sometymes does stay active whenever the climate ...
...blower or that you are not getting heat. There is insufficient room to answer all the possible situations. I recommend you get the Haynes repair manual for your vehicle as no matter which problem it ...
...blower will not operate dampers check the back of the unit. sometimes there is a metal piece that is connected and it has simply come off. other times the control unit (the dials you control for heat ...
...sonoma 1990 If it only works on high the blower resistor is bad.Would also check the connectors at the resistor and blower motor for poor,melted or frayed connections replace or repair as necessary. ...
...Sonoma A/C and blower works fine; when turned to heat it blows but the heat is intermittant, air will come out hot then cool down. What type of problem do I have and can this repair be done at home. ...
...sonoma 2.2l Air and heat motor will not come on. start by checking fuse. if fuse is good, aquire a test light, check the test light on the battery to make sure the test light works. Power to ground = ...
...sonoma heat doesn't work all the time. works once in a while can feel heat coming from vent but cant hear the fan working. does work once in a while when I mess with the blower switch BAD BLOWER ...
heat in 91 GMC Sonoma Blower motor was replaced as well as relay switch. All fuses have been checked and replaced, still nothing. Any ideas? I was driving down the road with my heat on (it hadn't been
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