where is the low line on a 03 escape
#5
If the A/C is working , but not as cold as it used to be, of the 2 lines one will be cool and the other one will be warm/hot. The cool one is the low side.
Also, the line coming from the condenser in front of the radiator is the high side and should be hot. The larger of the 2 lines is usually the low side and it comes from the evaporator inside the vehicle and goes to the compressor.If you remove the plastic caps off the fittings the smaller of the two is the low side. If you, no doubt, are planning to add refrigerant , please use safety glasses/goggles . Add no more than necessary to get the interior duct down to about 50 degrees F. Add it slowly with the container upright so only gas can go into the system !!! If the container is not kept upright and liquid from the container is allowed to go into the compressor it can damage the compressor.
Also, the line coming from the condenser in front of the radiator is the high side and should be hot. The larger of the 2 lines is usually the low side and it comes from the evaporator inside the vehicle and goes to the compressor.If you remove the plastic caps off the fittings the smaller of the two is the low side. If you, no doubt, are planning to add refrigerant , please use safety glasses/goggles . Add no more than necessary to get the interior duct down to about 50 degrees F. Add it slowly with the container upright so only gas can go into the system !!! If the container is not kept upright and liquid from the container is allowed to go into the compressor it can damage the compressor.
#6
OK, the smaller Schrader valve fitting it the LOW pressure side (the one farthest from the washer fluid bottle), the larger Schrader valve is the HIGH pressure side. Another way to tell, is the low pressure side is the COLD side, so if the A/C compressor is running, then the low pressure line will be cold (moist depending on outside humidity). High pressure side will be hot when running.
Last edited by Use Common Sense; 05-30-2016 at 11:05 AM. Reason: Teaching my keyboard to spell...:)
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