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

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System / Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal
1.
Disconnect the PCV 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 moves.

   
If the plunger does not move (PCV valve is clogged), clean or replace the valve.
Installation
1.
Install in the reverse order of removal.

PCV Valve installation:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Positive Crankcase Ventilation (PCV) Valve Description and Operation
Operation Principle ...

Evaporative Emission Control System
...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Manual adjustment
Forward and rearward adjustment To move the seat forward or rearward: 1. Pull up the seat slide adjustment lever and hold it. 2. Slide the seat to the position you desire. 3. Release the lever and make sure the seat is locked in place. Move forward and rearward without using the lever. If the seat ...

Hyundai Sonata LF 2014-2019 Owners Manual: Seat Warmers and Air Ventilation Seats
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