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Heater on but not blowing warm air?
heater on at idle and will not blow warm air. when moving it blows the warm air from the vents. what will cause this
Why does the heater for my 2003 Honda Pilot not blow hot air out of any vents in the front but the rear vents blow hot air?
Your front blower motor has gone out. There is a front and a rear blower motor.
On a 1995 Gmc sierra truck why does the air conditioning vents on dash work in every mode except cold air cold air will only blow out from floor vents?
The a/c - heater controller is out...........
Why does your F250 diesel 6.0 when idling blow cold air through the heater vents?
most likely it's a bad thermostat, or your vents not working properly.
Why does my 1987 jeep wrangler not blow hot air out of the vents?
Vent bypasses heater core when open,it is for outside air only...I know this because I just replaced heater core.
What causes steam to blow through the air conditioning and heating vents in a car?
The steam could be coolant from a bad heater core.
What causes the air conditioning on a GMC Safari to blow out the heater vents?
You have a broken vacuum hose under the hood that supplies the switch.
What causes cold air to come out of air vents when heater not on?
The heater may not be on - but the fan still blows air through the vents when they're open !
Why does your heater not blow out warm air?
if the heater does not blow out warm air change the setting.
Why does hot air blow out of drivers side air vents in gmc Denali?
perhaps because the engine running heats coolant that cycles through the heater core and has air blowing across the aluminum to exchange the heat into the air that is forced through the vents
Why does AC and heater blow air through defrost vents and will not blow air into cabin vents in your 2009 Mercury?
If the AC and heater in your 2009 Mercury are only blowing air through the defrost vents and not into the cabin vents, it may be due to a malfunctioning blend door actuator or a problem with the HVAC control system. The blend door actuator controls the flow of air to different vents, and if it’s stuck or malfunctioning, it may be directing all air to the defrost vents. Additionally, issues with the climate control module or vacuum leaks in the system could also cause this problem. A thorough inspection of the HVAC system is recommended to identify the exact cause.
Why does AC and heater blow air through defrost vents and will not blow air into cabin vents on 2002 Oldsmobile bravada?
If the AC and heater in a 2002 Oldsmobile Bravada are only blowing air through the defrost vents and not into the cabin vents, it could be due to a malfunctioning mode door actuator. This actuator controls the airflow direction and may be stuck or broken, preventing proper airflow to the cabin. Additionally, a vacuum leak in the HVAC system can also affect the distribution of air. It's advisable to have the HVAC system inspected to determine the exact cause and resolve the issue.
