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the orifice tube is the very small capillary gas control tube that meters the gas from the compressed high pressure side of the system to the low pressure side. Some times they will get stopped up either from moisture in the system or from blown screens on the dryer filters.

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Q: What is an orafice tube in an auto air conditioning system?
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Where is orafice tube on Pontiac gran am?

What year? On a 2002, take the discharge hose from the condenser apart and you should find it in the hose end.


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