Hyundai Elantra: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal

1.	Disconnect the vapor hose (A).

2.	Remove the PCV valve (B).

Inspection

Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.

•	If the plunger does not move (PCV valve is clogged), clean or replace the valve.

Installation

Installation is reverse of removal.

PCV Valve installation :

1.96 ~ 2.94 N.m (0.2 ~ 0.3 kgf.m, 1.45 ~ 2.17 lb-ft)

Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle ...

Evaporative Emission Control System

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Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Engine Compartment Panel Fuse Replacement
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Hyundai Elantra AD (2016-2020) Service Manual: Crankshaft Position Sensor (CKPS) Specifications
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