AC System
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Joined: Jun 2018
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AC System
Hello Family,
I'm wondering what caused the change in my A/C system. Recently I replaced the battery and now when I drive for a bit, park, then start back driving, the temp on the thermometer drops down to a random (-) degree temp. I would have to drive and allow the temp to raise again before running the air or else it blows heat. This also happens in heavy stop and go traffic. I tried re-calibrating the system by removing the necessary fuses for a few minutes, then re-inserting them, turn the key and let the system reset. But that didn't seem to stop the occurrence of heat blowing due to the thermometer temp drop when the a/c is on. Any Ideas on what I may need to do?? (If what I said makes sense)
02 Trailblazer
I'm wondering what caused the change in my A/C system. Recently I replaced the battery and now when I drive for a bit, park, then start back driving, the temp on the thermometer drops down to a random (-) degree temp. I would have to drive and allow the temp to raise again before running the air or else it blows heat. This also happens in heavy stop and go traffic. I tried re-calibrating the system by removing the necessary fuses for a few minutes, then re-inserting them, turn the key and let the system reset. But that didn't seem to stop the occurrence of heat blowing due to the thermometer temp drop when the a/c is on. Any Ideas on what I may need to do?? (If what I said makes sense)
02 Trailblazer
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Joined: Mar 2011
Posts: 9,175
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not sure what thermometer reading you are referring to or what vehicle build you have...
if the a/c system warms up when stopped but goes colder moving...make sure the cooling fans are running all the time the a.c is turned on. if not, that is the problem.
if the a/c system warms up when stopped but goes colder moving...make sure the cooling fans are running all the time the a.c is turned on. if not, that is the problem.