Question about Cars & Trucks
Not normally. If the heat temp GAUGE shows hot and the A/C blows warm you could actually be having a hot engine.situation. The heat GAUGE is controlled by the TEMP SENDER UNIT and has no connection with the A/C other than the A/C condenser rides in front of the radiator and catches all the debris first which can plug up the air flow to the radiator and cause the temp gauge to climb. If the A/C condenser is plugged by dirt and debris the Freon can't get cooled down enough to cool the cabin temp very well.
My suggestion would be to back wash the radiator and condenser. Use a high pressured garden hose and from the engine bay squirt the hose through the radiator and the condenser both to remove what you can't see. Be very careful not to bend the cooling fins of either the radiator or the condenser.
Posted on Dec 22, 2016
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Posted on Jan 02, 2017
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