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it is blocked and needs to be flushed out
bad spark blugs, low fuelmost cars will do the same when it is cold.
inlet 0.15 cold only outlet 0.32 cold only
can you please clarify what you mean, do you mean that the front heater blows cold but the rear blows hot or do you mean that when the heating is on cold it blows hot? many thanks paul
daewoo nubira does not run a heater tap ,its ahs coolant flowing through the heater core and is directed by a flap to hot or cold
Get the air out of your heater core.
heater hoses might have been disconected
ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air? ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air?
The most common reason a automobile heater blows cold air is the water level is low. Check the water level and fill to the appropriate level.
the heater blows warm air when fan is on low but blows cold air when fan is turn to higher setting
you must have low coolant or a bad heater core
we changed radaitor & thermastate , now heater blows cold air