Changed compressor in my 1999 Dodge durango..doesn't blow cold
There was a major lead in the compressor on my 1999 Dodge Durango. So, we changed out the compressor, drier, and expansion valve. Then, we vacummed out the lines, added 8oz. of oil and 32 oz. of freon. It is blowing cold, but it doesn't blow cold enough. Before the compressor was replaced it blew alot colder when freon was just added..it just didn't last long. Now, it just won't blow cold enough. What could be my problem??
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My Durango did the same and it was a high pressure switch bad. If you stand at the front of vehicle it is located on the left side next to the radiator support by the radiator. There is a rubber flap you may have to lift to see it. Switch was a dealer item $ 40.00 I have not had no more problem out of it.
Mine would cycle on and about the time it would get cold the compressor would shut down, it may start a little later or it may be the next day before it would get cold again and then would shut down.
i changed the resistor and then took out the blower because it was not working. i got the blower to... (More) i changed the resistor and then took out the blower because it was not working. i got the blower to work now it is not blowing cold air. i even added r-134a to the system and the compressor started to cycle on and off. does anyone know how to solve this problem
If you tried using a refrigeration "sealing" product before changing out the compressor, you most likely do need to replace the expansion valve.
The valve "flutters" open/close/open/close/etc/etc when in operation. The purpose is to allow the compessor to build up enough pressure to change the freon to a gaseous state. Once you put in the sealer, the valve becomes plugged with the product and cannot seat completely. After this happens, you never get a full phase change because the pressure cannot build up enough. You will experience reduced cooling. Change the Exp. valve and you'll be set. In the future, it is not advisable to ever use the sealer products as this can cause damage to other system parts, and especially the recovery units at the shop.
Yep,I'd agree. The difference in coldness is unrelated to the compressor issue. That a bad vent motor or something like that on the heater box in front. Change the "h" valve or otherwise known as the "expansion" valve too.
sound like ac vent or air door is not open.your ac mode switch is bad or the ac air door actutator is not getting vacuum .check vacuum lines to ac switch.besure disable air bags when working around steering area or dash.