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Your ac only blows hot air in your Saturn sl2 1996 even though the system is fully charged and the compressor also wont go on because of low pressure switch?
Wiki User
∙ 15y ago
How do you KNOW the system is fully charged. The 'low pressure switch' detects the level of the coolant charge. If the refrigerant charge is below a specific pressure, the switch turns off to protect the compressor.
If you don't have gauges you can't determine if the refrigerant is low. There can still be enough refrigerant to "hiss" when you release the valve at the test port, but not enough to engage the pressure switch.
Wiki User
∙ 15y ago
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On the line right at the compressor.
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Low or no refrigerant Blown Fuse Defective pressure switch Bad clutch on compressor Selector switch
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Larger hose from a/c compressor may be near the drier on the passenger side firewall
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A reciprocating compressor is one in which a piston or diaphragm moves in a reciprocating motion. The compressor used in the AC system of a Saturn is NOT a reciprocating compressor. It is most likely a "rotary vane" compressor.
Why does a 2003 Saturn Vue air conditioner have a high liquid pressure that pulsates and a low vapor pressure and the compressor clicks off and on?
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Why does ac blow hot 96 Saturn sl1 with a charged system?
You first need to find out if your ac compressor is coming on. It should make a click sound then you can see the armature or compressor clutch pulley spinning. If it is not coming on then check ac relay, cycling switch, ac control head, wiring, and any associated fuses. All of these things can stop the compressor from starting
