Grand Caravan FWD V6-3.3L VIN R (1999)
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Vehicle at room temperature.
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Engine is brought up to operating temperature.
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Front unit is OFF, temperature slides are at full HEAT position.
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Engine is at idle.
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With rear blower motor ON HIGH.
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Discharge air temperature, measured at the dual register located on the C-pillar base, is between 135° and 145° F.
