A bad control switch can cause your 2003 Nissan Sentra heater blower to stay on. The motor or a bad sensor can also cause the heather not to work properly.
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It does make your periods lighter yes.
Check the A/C fuse, that's what happened on my '85.
A bad heater core / it needs to be replaced
Chlamydia will not cause a lighter period.
Numerous things could cause the Nissan Altima to stall. One such thing is the idle control valve, also the exhaust system could cause the engine to stall.
the heater core could be pluged or the heater control valve is stuck closed
Most likely it's the heater control valve. If the heater control valve leaks a little it can allow a small amount of heated engine coolant to circulate through the rear heater core.
low coolant? Bad thermostat? Climate control not sensing proper temperature? Heater core plugged or restricted? Heater core airbound?
bad heater core, heater hose blockage, low coolant, bad heater valve, bad control head. With my car, it was Heater matrix clogged with radiator sealant. The workshop cleaned it and it's start working fine!
Either the linkage from the temp control unit to the valve on the heater core (which is behind the radio and temp controls) or it is the heater core itself.
If you are absolutely, positively sure that your coolant level is not low......then your heater core could be plugged. Or the control that turns the coolant flow on/off to the heater isn't working. Make sure the control is working, the flush the radiator. Should cure the problem.
There are several possible causes. A thermostat stuck open A heater control valve stuck closed A malfunctioning blend air door (located in the heater box) Low coolant level Malfunctioning heater controls
The control cable is probably broken or disconnected.
It can be the idle control solonoid on the throtle body.
Blown fuse, bad heater blower motor control switch, bad blower motor, or a bad blower motor resistor pack.
Heater Control Valve IF there is Vaccume going 2 it.Butt feel both heater hoses & if the Valve is bad - only one hose will b HOT.
Most common things are Thermostat or a bad heater core but could also be something blocking the door down by the heater core. I changed my Thermostat and Heater control Valve to find out a pencil fell in the defroster and prevented the door from closing. Hope this helps.
low coolant? Bad thermostat? heater core airbound? control cable not adjusted properly?
A leaking heater core will cause the engine to overheat because the coolant is leaking out.
Generally, the cause is a thermostat that is stuck open. A good way to test is to turn the heater control to off for a few minutes, then turn on and see if you have heat. If you do, you need a new thermostat.