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Heating & Cooling 4th Gen Dodge Ram Heating & Cooling Problems and Questions.

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Old 01-27-2019, 07:49 PM
grouchy1 grouchy1 is offline
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the heater core is the issue for no heat on the driver side see this link
in the video he talks about the passenger side but i think for trucks it maybe the opposite.
first thing i did was switch the two hoses at the water pump to reverse the flow , after that i had heat on both sides for about 5 mins, then it went cold again, i then proceeded to take off both hoses filled the heater core with windshield washer fluid and blew it out with air 20 lbs alternating between the hoses , tons of dirt came out i put it back together and now i have heat on both sides pass and driver side , the reason i used air and windshiled washer fluid is that it is -35 C here and anything else would freeze , i think there is likely more dirt in there , once i can get it in a heated shop with water i will flush it with a garden hose , but this seems to be working for the time being.
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