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Why would a Honda Passport's heater blow cold air and you smell antifreeze?
Probably - your head gasket is blown. Antifreeze will be coming out of the tail (exhaust) pipe.
Would straight antifreeze make heater blow cold air?
No! Thermostat.
What would cause a 2003 Buick Century's heater to blow cold air when idleing but will blow warm air when moving?
Probably need to add antifreeze. Check the Radiator not the overflow tank. If you are low on antifreeze it will not circulate through the heater core.
On a 2004 grand prix what would cause the heater to blow cold air?
heat core. leak. thermostat. no antifreeze.
What causes a 2001 Grand Cherokee to blow fog-like fumes that have a trace of an antifreeze smell from the vents when the AC is turned on?
The heater coil probably has a leak causing steam and vaporized antifreeze to be released into the vents. Is it using coolant?
Why does a 1997 Buick LeSabre air conditioner blow smoke when the engine isn't smoking?
Assuming that the blower motor isn't on fire, it's probably the heater core. Does the smmoke smell sweet. If yes that's antifreeze. The smoke does smell like anti-freeze. Does this suggest that the heater core is the problem?
On a 1998 Chevy blazer what would cause the heater to blow cold air?
Check Antifreeze level..make sure there are no leaks under the vehicle.
What causes a 1991 Acura Legend heater to not blow hot air if there's no leakage on the heater core or smell of coolant?
thermostst is stuck
Why would a 1987 300zx blow sweet smelling steam through the vents and dash?
Sounds like your heater core has a leak and the sweet smell is your coolant.
Why does the heater blow hot and cold sometimes in your 2003 dodge stratus?
Most likely cause is low coolant. Check your antifreeze level.
What causes the heater to blow antifreeze in to the cab of a 1998 ford f-150?
if antifreez is blowing into cab, u need to replace the heater core the core has a hole in it. thses are not repairable and they are cheap to buy
Why would hot steam blow from the heater vents?
Leak in heater core. Replace core.
