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I didn't notice this until a couple weeks ago. I usually leave the recirculate button pressed in. One day I had the fan setting on 0 (off). I was cruising at hwy speed. I could feel air coming from the vents. I looked at the controls to confirm it was off. I noticed the recirculate button was off. I dressed it and the air stopped coming in the cab through the vents.
What would be malfunctioning to let air in when the HVAC is off but stop the flow when the recirculate is activated with the HVAC off?
I just leave the recirculate on to keep unwanted air from coming in when the system is off. Just a nuisance right now...
What would be malfunctioning to let air in when the HVAC is off but stop the flow when the recirculate is activated with the HVAC off?
I just leave the recirculate on to keep unwanted air from coming in when the system is off. Just a nuisance right now...