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) Service Manual: Oil Pump Repair procedures
Removal and Installation 1. Remove the timing chain cover. (Refer to Timing System – “Timing Chain Cover”) 2. Remove the oil pump cover (A). Tightening torque Screws : 5.9 ~ 8.8 N.m (0.6 ~ 0.9 kgf.m, 4.3 ~ 6.5 lb-ft) Bolts : 8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft) ...

Hyundai Elantra AD (2016-2020) Owners Manual: Limitations of the System
The driver must be cautious in the below situations because the system may not detect other vehicles or objects in certain circumstances: The vehicle is driven in inclement weather such as heavy rain or snow. The sensor is polluted with rain, snow, mud, etc. The rear bumper where the senso ...