Emission Control System

Positive Crankcase Ventilation (PCV) Valve Repair Procedures

2steps
~12min
1/5difficulty
0102030405011.89N·mlb·ft
Tightening torque found on this page
Done 0 of 2

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

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.