When performing automotive HVAC service, it’s essential to consider all the system components, both inside and outside the vehicle’s cabin. This includes the refrigerant specifications for the system, the type of A/C compressor a system uses, and the specific A/C oil type. It is also important for technicians to adhere to the precautions surrounding hybrid and EV vehicle HVAC maintenance and service.
These tips will cover the important steps involved in proper A/C system flushing, as well as the appropriate times to flush the system. To highlight some of the key differences from traditional clutch-style compressors, the unique features and operation of a variable displacement compressor will also be discussed. Troubleshooting techniques for airflow distribution issues and restrictions are also included.
Differences between R1234yf and R134a will be detailed to ensure that each system is serviced properly and cross-contamination is prevented. Technicians need to understand the different refrigerant options that are currently on the market.
These tips can help you with your HVAC diagnostics and clarify common misconceptions in the industry.
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