Lack of heat inside the cabin, 1995 dodge intrepid
Water pump was replaced, made sure there is not any air in the coolant system, replaced thermostat and radiator cap, now I cannot get heat inside the cabin. Calibrated the heater controls and they checked okay.
Re: lack of heat inside the cabin, 1995 dodge intrepid
U mite have to bleed it at the outlet hose from the heater core on the firewall as systems have so much coolant routing through so many hoses that just bleeding at the bleeder won't do it I can explain how if needed
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sounds like a water pump or heater matrix problem change the coolant and have the system flushed through and fill making sure you bleed the air from system if it was the matrix blocked the flushing should have cleared it so check the water pump if still having probs
IF YOU CAN'T FEEL THE AIR FLOW OUT BUT YOU HEAR THE BLOWER MOTOR WORKING, BEHIND THE GLOVE BOX IS A CABIN FILTER.REPLACE FILTER
IF YOU HAVE GOOD AIR FLOW BUT NO HEAT:
1;VACUUM LEAKING TO HEATER CONTROL
2;WATER PUMP GOING BAD / NOT CIRCULATING COOLANT,HIGH RPM/MORE COOLANT TO THE HEATER CORE
3;OPEN THERMOSTAT/ENGINE TEMPERATURE TO LOW
1;CHANGE THE DIRECTION FROM VENTS TO FLOUR TO WINDSHIELD. IF NOTHING HAPPEN IS THE VACUUM
2;RUN THE ENGINE INSIDE ON WARM PLACE ON IDLE.NOTE THE GAUGE IF PAS 1/2 TO 3/4. IF PAS 3/4 MARK REPLACE WATER PUMP
3;IF GAUGE STAY BELOW 1/2 REPLACE THERMOSTAT
CHECK ENGINE COOLANT LEVEL.MAKE SURE COOLANT OVER FLOW JUG HAS COOLANT IN FULL COLD MARK.IF COOLANT OVER FLOW JUG IS EMPTY RADIATOR GOT TO BE LOW ON COOLANT POUR COOLANT IN THE OVER FLOW UNTIL COOLANT LEVEL STAY AT THE COLD FULL MARK.SEE IF RADIATOR DONT HAVE A RADIATOR CAP YOU HAVE TO POUR COOLANT IN THE OVER FLOW JUG COOLANT WILL FLOW DOWN IN RADIATOR UNTIL COOLANT LEVEL STOP AT FULL COLD MARK.IF COOLANT LEVEL OKAY.YOUR THERMOSTAT NEED CHANGING ALSO RADIATOR PRESSURE CAP.HAVE RADIATOR FLUSHED OUT.HAVE ENGINE BLOCK FLUSHED OUT.CHECK ENGINE OIL IF OIL LOOK LIKE MILK SHAKE ON OIL DIP STICK YOU HAVE LEAKING HEAD GASKET THAT WILL CAUSE ENGINE OVER HEAT WHILE CAR IN MOTION.CHECK WATER PUMP MAKE SURE ITS WEEP HOLE NOT LEAKING ANTIFREEZE IF SO WATER PUMP NEED REPLACING.
You need to go through the proper coolant system bleeding procedure.. There is a bleeder valve in the front center of the intake manifold. You must fill the system, run the car with the heat on until the thermostat opens, top off the coolant and open the bleeder until coolant a steady stream comes out without any air bubbles. Close bleeder, top off coolant, and replace radiator cap. Run car until fan cycles twice on its own.
Have you tried or looked into the heater core? is there any coolant within the cabin of the vehicle? have you had your cooling system serviced? Did you check the glycol level just curious, because lack of heat would not really be a fuse issue unless no power or your blower motor was not even coming on,. Simple thing is there a fresh air option that might be selected and your truck is letting in cold air mostly instead of keeping that closed and heasting up. Try to see how much heat you get on recirculation, as if you are getting some heat and have changed the thermostat, and water pump and your coolant is good, look into heater core.That would not allow you to get heat so worth a shot to elimate simple variable then look into that. :)
make sure that the system has been bled of all the air to do this there should be a little bleeder screw near the thermostat housing open this up until water comes out start the car and turn the heater on high watch for any air bubbles to come out of the bleeder until it is straight fluid coming out see if this fixes it, also check the radiator cap this could cause overheating too, if this is all fine check the fan switches to make sure they come on at right temperature.