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: Repair procedures
Fuel Pressure Test 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)     • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after compl ...

Hyundai Elantra AD (2016-2020) Service Manual: Crankshaft Position Sensor (CKPS) Repair procedures
Inspection 1. Check signal waveform of CKPS and CMPS using a scan tool. Specification : Refer to "Waveform" Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the crankshaft position sensor connector (A) and remove the sensor af ...