Question about 2004 Dodge Ram 1500

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2002 dodge 1500 Changed radiator, thermostat, and hoses. No heat

Changed radiator, thermostat, and hoses. No heat inside truck(2002 Dodge 1500 4.7l). Both hoses going into heater core are hot. Top radiator hose is hot. Bottom radiator hose is ice cold. Truck does not overheat. Why no heat?

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  • brian_kees Nov 19, 2009

    Radiator sprug a leak and had to be repaired, repair shop flushed and pressure tested. Had plenty of heat. Old coolant was pretty clean. Seems like I haven't had heat since thermostat was changed. Does the spring go toward the engine? Can't remember how the old one was in the truck. Maybe the thermostat is backwards?

  • Anonymous Mar 17, 2014

    My bike over heated and I believe my radiator hose popped off How do I replace it

  • Anonymous Mar 20, 2014

    Just replaced a portion of transmission cooling lines on 94 bronco I bypassed leak but wonder if hose from top of radiator go to the top of tranny and so forth for bottom and truck seams to run correctly except for slight miss when accelerating from idle It does not idle steady What could this problem be

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Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.

Posted on Nov 19, 2009

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