Heater problem

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Justin_Hart

Junior Member
Joined
Jan 28, 2018
Posts
9
Reaction score
2
Location
US
Ram Year
2002
Engine
5.9L gas
02 ram 360 1500 3rd gen my heater doesnt put very good heat out on drivers side. Passenger side is good. I do not have side to side climate control whatever you call that. Has me puzzled. Does the air handler box still have a door for side to side even if it isnt equiped with the controls?



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bulrid8

Senior Member
Joined
Jan 8, 2016
Posts
266
Reaction score
65
Ram Year
2002
Engine
5.7
02 ram 360 1500 3rd gen my heater doesnt put very good heat out on drivers side. Passenger side is good. I do not have side to side climate control whatever you call that. Has me puzzled. Does the air handler box still have a door for side to side even if it isnt equiped with the controls?



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I can tell you my 02 did same thing. It was a clogged heater core. Pull heater hoses at engine. Flush both directions with a hose. Then pour some CLR in the heater core and let sit 10 minutes. Then do a vigorous flush both directions again. I have had hot heat for two years since flush. Hint, flush into a 5 gallon bucket, so you can see all the crap that comes out.

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