I had the sam problem in my 99 dodge ram 1500 4x4 i replaced the thermostat and fixed the issue.
99 dodge cummins heater core replacement.
1999 dodge pick up ram 1500 v 8 5 9l 4wd.
You can try it if the heater core replacement doesnt fix it for you.
Its a long process to replace but can be done.
Follow along if you would like to know how we did it.
Flag anonymous.
Heater core is most likely the prob.
Posted on feb 24 2009.
Install plugs in or tape over the opened heater core tubes.
Today we are replacing the heater core in my dodge ram 1500 off road edition.
Estimate does not include taxes and fees.
8 remove the powertrain control module pcm from the dash panel and set it aside but do not unplug the pcm wire harness connectors.
7 disconnect the heater hoses from the heater core tubes.
Remove steering column and entire dash to reveal heater core passenger side floor area.
Leave any questions comme.
I have to replace a heater core in my dodge pick up do i have to completely remove the instrument panel and dashboard to access the heater core and evaporator read more.
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