Hyundai Elantra: Air Conditioning System / Refrigerant Line Components and Components Location

Compressor oil Repair procedures

Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (P ...

Refrigerant Line Repair procedures

Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the neg ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: If the Engine Overheats
If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine may be overheating. If this happens, you should: 1. Pull off the road and stop as soon as it is safe to do so. 2. Place the shift lever in P (Park) and set the parking ...

Hyundai Elantra AD (2016-2020) Owners Manual: FCA Sensor
In order for the FCA system to operate properly, always make sure the camera is clean and free of dirt, snow, and debris. Dirt, snow, or foreign substances on the sensor cover or sensor may adversely affect the sensing performance of the sensor. NOTICE NEVER install any accessories or st ...