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2005 nissan sentra-air stuck on defrostwont switch to floor or ve
2005 nissan sentra- fan blows fine with heat or a/c but when i turn knob to floor or vents it wont switch over. is this a fuse, relay or cable that is stuck open? it blows on defrost on every setting.
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Check the condition of the heater matrix valve under the dash board. Disconnect any motors or cable connections to it and try operating it by hand. If it is stuck, then replace it.
If not stuck, then check motor operation (if climate control model) or cable routing (if manual only).
the fan is called a " blower motor" sounds like the motor is failing, try replacing the blower motor, there normally located under the passengers side below the dash
you may have a problem with heater box. your air/mix door may have an issue. feel the knobs on the control unit. if the cold/heat know feels kinda funny from the other knobs, then thare is a problem with heater box/cables??
check fuses and relays. there is an electric motor that opens and closes a "blend air door' that switches from hot to cold. the other lights may or may not be related. Is is very possible that the plug going into the control unit has a bad connection.
well if you don't mind hard work,then you must pull out the panel that holds your knob switches and check that the cable has not pulled out from the knob,clip it back into place and you should be fine,otherwise you should take it to a repair shop,good luck
how to take the air vent from a 2005 nissan sentra
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