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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 do you get hot air at floor and defroster vents but only cold air at the dash vents vents in a 1995 chevyvan 20?
the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater
What would cause heat not to come out of vents when set to floor and vents?
There are heater doors on the heat blower box that direct the path of the heat. Apparently the heater door to the floor vents is stuck closed.
What is causing the air to come through the defroster vents and not the AC vents in a 1995 Ford Mustang GT when the AC or vent knob is turned on?
I am sorry, I am not technical on this stuff, but we had the same problem on our 95 Mustang GT. We had to take it into the dealer and the problem was that one of the hoses had come loose, so it was not blowing enough air pressure to force the vents open.
Why would air not come out of some vents on a 99 Monte Carlo.?
I just had that problem with my 99 Monte Carlo. When I accelerated or went uphill No air would come out of the dash vents. Problem was a Vacuum hose. Cost about $40 to fix.
Why would a mobile homes central electric heat system blow cold out from one side while blowing hot air at the same time from the other vents?
A duct has come apart under the home?
CAN Gnats come out of dirty air vents?
Yes, gnats can come out of dirty air vents. Gnats can actually come from anywhere. They are very pesky creatures.
Why would smoke come out of AC vents?
If that smoke is more like steam, you have a leaky heater core.
What would cause a burning rubber smell to come from the vents of your 91 Chevy Cavalier?
Bad heater core.
What would cause steam smoke to come out air vents in 03 pt cruiser?
The heater core has failed.
Why does no air come out of the vents?
heater fan broken.
Why does hot water come from the cold faucet and then change to cold?
Because hot water is still in the pipes from when you turned on the hot water, and when you turned on the cold faucet it had to let out the hot water first. This means you have a single-pipe sink. Double-pipe sinks have a pipe for hot and a pipe for cold and it blends them as it turns on.
