You could feel the heat coming from the vents, however when the fan was turned up, it just started to blow cold. Tell us a little about yourself and your ride. If anyone can help me that would be great. When this happens there is no coolant in the heater core to make the air warm. That is because the fan blowing air across the heater core takes heat away from the coolant- so the outlet hose should be cooler. I am wishing that I never sold my trusty old beater '86 Chevy pick-up!! In your case you could just have air trapped in the core. There is casting sand in it the heater core and its stopped up.
Still, it would be worth watching the hoses as you increase the engine speed. If there are a lot of windows or the ceilings are higher than normal normal is… If you correct pressure and sensor is good, it will reset itself driving within 12 mi, if it doesn't and pressure good all 4, sensor may be bad but rare. Since January of 2009, I have had my truck flushed out around 10 times. Just hold it in the hose with a fairly firm grip and gently give it a little air till you get the feel of it. Turn key off and when you start again, oil changed chime and warning should not be on. I'm pretty sure it's just a liberty with a dodge dress up kit. It may not be opening up.
Remove the two screws that secure the blend door actuator to the actuator mounting bracket and remove the actuator. Now remove the other hose but leave the hose attached to the core. I dint know what else to do. Both of the heater core hoses are hot but the outlet side is not as hot as the inlet. The fan switches to the various modes in the car i. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. Anyone can do this job and on the hose clamps I used a pair of short channel lock pliars and be gentle while you twist the hoses off.
Disconnect the two heater hoses and put one into a bucket. Heat only works for 2 to 3 days, and goes out again. When you stop getting sand your done but dont forget to top the heater core back up with antifreeze. October 2010 cold air again and then minimal air flow. Has helped point me in the right direction. We hopped straight in and went for a short test drive.
Said I should have bought extended warranty. The blend door actuator is located on the drivers side of the air distribution housing. This is a pretty complex repair. Have a great day friend. Disconnect and isolate the negative battery cable. Hopefully that will work for a little while. If it was plugged, the heater core may also be plugged.
Only ask cuz everything I have read so is heat only on one side, actuator making noises, restrictions in heater core, leaking heater core, or odors. Back to minimal to no heat. Then I hooked the hoses up to it in reverse. Any help is appreciated in advance! In feb 2009 heat went out again and overheated, cracked the block so had engine replaced. Did it have heat before? No matter your financial situation, you will drive off the lot in a new car, today. Get some hot water from the sink and fill it up through the garden hose and repeat the blowing out. Could you direction me to a exact forum for the issue.
Let me know how you make out with this. This way, whichever side of the core had the clog, you can blow it out. I have no heat what so ever, no noises from actuators, no restrictions in heater core, no leak or odors. Dealer is bringing in the parts and will go half on repair. You will see sand in your milk jug at the bottom. Cut off a piece of garden hose about 4 foot long and slip it over the core pipe, so you can flush it out.
Update from Apr 18, 2010 : there was sand found in my engine, the place that put the motor in and the place where the engine was purchased from, are both blaming each other, meantime, neither one wants to touch my truck. This door opens and closes a specified amount to regulate the amount of either cooled or heated air, as requested by the climate control unit. . There my be a door that opens and closes like the front heating system Oct 31, 2011 Why was radiator replaced? If it is, try again. Jan 22, 2016 1st of all, you need to check your anti-freeze level.