Question about 2004 Dodge Ram 3500 Truck
Cummins engine, vacumned system and have added freon
Turn the interior fan to lowest speed, and depress the airconditioning button.
You don't actually need the engine running to charge the system.
Posted on Nov 06, 2012
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Posted on Jan 02, 2017
When you add the freon turn the can upside down and it will push the oil and freon out of the can. If you have it up it sends freon but no oil.
You also may need more freon before the compressor will kick in.
Posted on Jul 19, 2009
there is a pressure switch over on passenger side that will have to be jumpered in order to charge the system, it is a cut out switch that when it is low on freon the compressor does not engage.
Also put a can of lubricant back into the system before charging.
Posted on Nov 15, 2010
SOURCE: air conditioner inop
First suggestion is the clutch not engaging. Check voltage at clutch plug and confirm power source, if there is power there then clutch would work unless it has failed.
Posted on Apr 25, 2009
compressor needs time to circulate the refrigerant and for the refrigernt to heat up and cycle through the low pressure hi pressure side compressor will kick on and off and the only thing you will notice is the rpms or load on the vehicle will increase
Posted on Jul 19, 2009
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