1998 frod tarus my heater will not work in my car the defroster work
the 2 hose coming from the wall one has water going in, the other one
water going in or out. Can you please tell me what I can do to get my
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Re: heater wont heat up
Is there not any antifreeze leaking into the passenger floor-board? if there is then its your heater core. if there is not check to make sure that the wires haven't come off of the heat selector box, you will have to take the dash apart if it is the heater core so make sure to check this first.
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well the ac compressor will come on if you have it in defrost mode,if heater is blowing cold ,after you just had thermostat replace ,you could possibly have air in system.now if your heater motor is not working which is called the blower motor under dash it could be the resistor that controls it also these rigs have been known for wire harness problems at heater control unit and the blower motor connector.good luck,mike
Are the controls for opening the heat functioning? Opening the heater core and allowing fluid to pass through the core would be where I would look. For instance you could remove the outlet hose from the core and see if water is passing through. Thinking it might be a clogged heater core. How about the heat gauge on the dash? You said the hoses were hot so guess the engine is reaching proper temperature. If you have A/C can you get warm air when you use defrost? If so, the heater core is OK. Conclusion: My first thought is the heater controls are not working properly but if they are then my second thought is the core itself. Hope this helps you.
The back or rear defrost is an electric grid that works independently of the heater. If replacing the thermostat produced heat, you would seemed to have solved the problem but the heater blower could still be at fault. If you can't detect warm air actually blowing into your Taurus the blower is a likely suspect. A faulty blower also would affect your A/C.
OK if heat no blowing out just cool air #1 check your engine coolant level add if needed to res bottle and radiator, (wait until engine is cool to the touch before opening the radiator cap under pressure when hot!)#2 if good on coolant and your engine is getting to normal opperating temp as always you may have a clogged heater core, if so you can test the heater core flow by removing the to heater hoses mounted at fire wall in your engine compartment and with a garden hose at low volume push water through one of the two copper hoses coming out of your fire wall if the entering amount of water is coming out the other copper pipe then your heater core is good.#3 then if all the above is good and working your dealing with a blend door not operating properly inside your heater box located under your dash (not for the non experience to repair)
check youre heater hoses coming out of the engine .make sure they both are the same temp ,when the engine is warm going in to the heater core the hoses run up to the fire wall if the hoses are hot on both sides the problem is inside the car make sure the cable is moving form cold to hot if the cable is un hooked you will not have control over the temp .the cable runs under the glove box on the top of the heater box ,there is a small arm that moves back and forth ,the cable hooks up to a little clip make sure this is still attached if it is check youre controler on the dashboard the only way it would be a vaccume problem .is if the defrosters and heater and vents are not working .if this is the problem check for a disconnected vaccume line near the fire wall .or distrubitor
The heat exchanger inside the car may be blocked or the heater tap might not be working.In the engine bay on the rhs of the motor is the heater tap.Get a friend to move the heater control from inside the car whilst you look for it.The hoses are easy to get off if need be.2 hoses go into the car to circulate hot water.These are the ones you may need to flush or backflush.I hope this helps
You have an air lock in the cooling system.
Do this: pull upper radiator hose off the radiator leaving it connected to the block, pour coolant into hose until filled ( you might have to do it to the radiator also). Once filled reconnected hose back to the radiator, then fill resevior to proper level. Start car turn heater on full. Let car run with cap off resevior until it starts pulling coolant in. Once warmed up shut car off let cool. Check fluid level again.