Question about 2005 Chrysler 300
Install a back flush kit on one of the heater core hoses to see if you can get any rust out of the core. Chech both heater hoses for the same temperature with the heater on and the engine up to normal temperature. Both hoses should be the same temperature when touched. If one is colder than the other, that indicates no or severely restricted. If both are the same temperature, then the blend door is most likely not operating.
Posted on Jan 04, 2017
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Posted on Jan 02, 2017
SOURCE: Heater only blows cold air
Check both heater hoses under hood to see if they get hot, if they do the heater is fine. need to check to see if the selection doors inside the unit are opening and closing.
Posted on Dec 01, 2008
u will need to repair the passenger side air temp control blend door, either the door is stuck or the small electric actuator that moves it is defective.
Posted on Jan 14, 2009
if both heater hoses going into the fire wall are hot,remove the heater control assembly from dash and make sure cable is connected and do the same under the hood where one heater hose has a valve connected to it,
Posted on Dec 15, 2009
Hello, seems like your thermostat may be stuck open. After the vehicle been running more than 10min feel the upper radiator hose it should be hot to the touch and if not a new thermostat is needed.
Posted on Mar 27, 2010
Check your coolant level. Especially after you drive it and it starts to cool down. You have air in the system and it needs to be purged. Sad to say but chrysler/ dodge are bad for this problem. Some times you have to remove the hose from the heater core spout to get it purge correctly. You have to do this while it is running.
Posted on Nov 10, 2010
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