Hyundai Elantra: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle

Repair procedures
Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose. 3. Run the engine at idle, then put a finger ove ...

Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger move ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: 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 (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compress ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Wiper Motor Components and Components Location
Component Location 1. Cap2. Nut3. Wiper arm & blade4. Rivet5. Cowl top cover6. Bolt7. Wiper motor & linkage assembly8. Wiper motor connector ...

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