Ase a7 Study guides, Class notes & Summaries

A CCOT system has a high high side. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct? TECH B is correct. A clogged orifice tube will result in high high side pressure. It can become clogged with contaminants, debris from a damaged compressor, or a broken desiccant bag releasing desiccant into the refrigerant. A vehicle's air conditioning performance is reduced at low speeds and stop lights, but cools at ...

ASE A7 Questions and Answers.

Tech A says that evacuating an AC system will remove air and moisture from the system. Tech B says evacuating an AC system removes dirt particles. Who is right? A. Evacuating the system removes air and moisture. The receiver drier may contain a filter or strainer to catch and trap foreign particles and dirt, but this remains in the drier and is not removed during evacuation. There is a growling/rumbling noise at the AC compressor when the system is off and the engine is running. The nois...

ASE A7 Questions and Answers - Copy.

ASE A7 Questions and Answers.

ASE A7 Questions and Answers.

ASE A7 Questions and Answers - Copy.