air conditioning flow blower

  1. T

    AC low flow only on long trips

    I have a long standing problem that is now an emergency as I am planning an 8hr trip with the dogs in a few days. Anyway, in my 2003 2500 5.9 CR, I lose air flow from the vents, but only after the A/C has been on for a couple hours or more. After that, it kind of gets weaker and stronger...
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