A/c blows cold while the engine is cool and after the engine is a temp it will interm stop blowing cold and then warm air. Both engine fans are working fine . just today it started to blow cold as i turned into my parking spot after it was blowing warm for 15 min. possible ignition switch or control head?
Low on gas refrigerant or mixer door servo ect
Is the compressor cutting out? It could be the compressor clutch relay is going bad.
SOURCE: Abs light stays on & A/C stopped blowing cold air
The BCM (body control module) is the problem, have it replaced, this is a common issue on your van.
SOURCE: After car heats up (slow to heat) it stil blows cold until moving
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SOURCE: Heater on driver-side blows barely warm air other vents blow cold
the most probabale cause of this would be a disfunctional hear core if you replace your heater your heater will more than likley work the the way it's supposed to
SOURCE: 2002 Dodge Ram 1500 A/C Blows Hot When Stopped and Clicking Sound
Check that the engine radiator fans continue to run when stopping. They should always run when the A/C is on. You may need to blow the radiator core out with compressed air from the engine side to get rid of bugs and other debris. The clicking noise is likely the compressor clutch cycling the compressor.
SOURCE: Heater blows cool air instead of warm air
check your coolant level if it is low top it off. if it is full you may need to change your thermostat to get the temp back to normal. for the heat check the heater control valve to make sure it isn't stuck (heater control valve should be located against fire wall connected to heater hose.
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