Hyundai Elantra (CN7): Engine Electrical System / Special service tools

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor oil

Repair procedures Oil Specification1.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 (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Refrigerant Line

Components and components location Components Location1. Refrigerant Pipe Assembly Repair procedures Replacement1.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.