Automotive Service Excellence (ASE) Air Conditioner Certification 2025 – 400 Free Practice Questions to Pass the Exam

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Question: 1 / 400

Which method is NOT applicable for replacing an orifice tube?

Replace the line that incorporates the orifice tube

Disconnect the liquid line and pull the tube straight out

Twisting the tube while pulling it out with an extractor tool

The method involving twisting the tube while pulling it out with an extractor tool is not applicable for replacing an orifice tube. This is because orifice tubes are typically designed to be inserted and removed with a straightforward motion, and twisting may damage the tube or the surrounding components. Using an extractor tool must also be done carefully to avoid causing damage to the AC line or any connected fittings.

In practice, replacing the orifice tube is generally done by either replacing the entire line that includes the tube, disconnecting the liquid line to remove the tube directly, or cutting out the section of line containing the tube, as these methods allow for safe and effective access to the orifice tube without causing harm to the AC system. Each of these methods maintains the structural integrity of the line and minimizes the risk of leaks or damage during the replacement procedure.

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Cut out the section of line containing the orifice tube

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