Ram Heavy Duty Forum

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Recent content by Ramovrlnd

  1. R

    2017 Ram heat issues, how to heater core flush?

    I just replaced my heater core due to no heat on the drivers side and minimal heat on the passenger side. I had flushed the core by removing heater hoses and using a garden hose, then used the cummins approved coolant system cleaner getting engine up to temp and after cool down flushing once...
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