Question about 1999 Plymouth Grand Voyager

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HEATER BLOWS COLD, VEHICLE OPERATING TEMP APPEARS OK

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  • R M
    R M Oct 04, 2010

    Can you change the vents still? make it blow defrost, then switch it to "face" or "Floor"? will it do that? If not, then you have lost vacuum to your climate controls. You will need to check your vacuum hoses under the hood for cracks, splits, hanging loose....

    If you can change which vent the air goes through, and the A/C works, then your heater core might be plugged up - which means no hot water will flow through it.

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  • Plymouth Master
  • 8,140 Answers

Please see my tip at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Posted on Oct 04, 2010

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