hvac

Coming home from a recent trip, the HVAC blower motor started screeching. It's always had a ticking when set to low, no bother, I just didn't run it on low. So I replaced the blower motor. I have both a Haynes and a Chilton Repair manual that I used to get me pointed in the general direction...

Hi...I brought my 2017 Acadia into the deal for an oil change and they suggested that I change the HVAC filter (I have 15,000 miles). However, there is now a terrible odor permeating the car that is burning my nasal passages and my throat. It is so strong that I have to ride with the windows...

Initial problem a couple years ago was HVAC would occasionally spontaneously start blowing full hot when AC was on. I found stopping and turning off ignition would correct this until next sporadic occurrence. Lived with this for a while figuring heater HVAC control replacement would...

The computerized climate control worked fine until suddenly it started cycling hot & cold & blowing high & low, no matter what the setting. There are even strange sounds of vents opening/closing when the system is off. The A/C appears OK, as the system is charged & the compressor engages when...