Air Conditioning and Coolant
Dodge Caravan
Dodge Grand Caravan

Why won't the AC fan turn on your 1996 Dodge Grand Caravan No leaks no cold air comes out and will not take R-134 with self filling hose?

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Answer

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Wiki User
01/27/2007

AC compressors need to be running before the system will pull in refrigerant. Find the pressure switch and jumper the wires with the engine running and the AC turned on, that should engage the AC clutch, pulling in the refrigerant. Keep an eye on the pressure gauge though. Don't overfill or you can destroy the compressor seals.