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: Muffler Repair procedures
Removal and Installation Front Muffler 1. Disconnect the battery negative terminal. 2. Disconnect the oxygen sensor connector (A). 3. Detach the rubber hanger (A) from the front muffler. 4. Remove the front muffler (B). Tightening torque : 39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ...

Hyundai Elantra AD (2016-2020) Service Manual: Electric Thermostat (ECT) Repair procedures
Removal and Installation     • Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat. Thermostat 1. Drain engine coolant so its level is below th ...