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Old 05-15-2019, 11:32 PM
Junior Member
Thread Starter
Join Date: May 2018
Location: Lagos
Posts: 1
Default Ac

My Ac is cold on one side and hot on the other side. I have changed the compressor and valve yet same outcome
Old 05-16-2019, 07:39 AM
Join Date: Mar 2012
Location: Ridgefield, CT
Posts: 4,599

are you referring to the lines going to/from the compressor or the air coming out of the dash vents?

The lines to/from the compressor should be warm and cold. The way AC systems work is the line from the compressor to the condensor has the refridgerant that was just compressed which heats it up, and its the job of the condensor to extract the heat (ie like a radiator). As the refridgerant flows into the evaporator its expanded which cools it off so the evaporator extracts the cold (the reverse of a radiator) to chill the cabin air. The return line from the evaporator to the compressor still has the cool expanded refridgerant so I'd that line to be cold to the touch. If you have a cold return line (to the point of frosting up) then your AC is working normally.

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