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1997 Dodge Ram 1500

 

Question: how do i get heater to work

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rdrs4lf, 5.9L V8, Newark, CA, January 24, 2013, 10:03
 Rookie

im having trouble getting hot air coming out when switch is on heat,both hoses are hot i already blew through the heater core with 90 psi air and thats clear hmm what next

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    Portola Valley Garage (11 Answers) , Portola Valley, CA - (650) 241-3386
    tramies January 24, 2013, 11:42
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     Enthusiast

    You may have a "Blend" door issue. Check the vacuum hose that goes into the firewall. Check blendor actuator for blown diaphram. Vacuum source comes from somewhere on the intake manifold.

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  • Answer #2

    Greg's Orange Auto (8425 Answers) , Orange, CA - (714) 361-9355
    globalhelper January 24, 2013, 12:41
     Master

    ck heater control valve or vac to it,1st ck coolant level

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    tramies, January 24, 2013, 13:26
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     Enthusiast

    Hey Greg...I looked in Alldata for a heater valve..Does not list one. I think it uses doors ot flaps, the schematic shows vacuum motors/actuators

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    globalhelper, January 24, 2013, 19:58
     Master

    wow sorry didn't know the had them in that yr.chrysler was ahead of there time in something.lol

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