Emission Control System

Positive Crankcase Ventilation (PCV) Valve Repair Procedures

2steps
~12min
1/5difficulty
010203040502.82N·mlb·ft
Tightening torque found on this page
Done 0 of 2

Removal

  1. Disconnect the vapor hose (A).
  2. Remove the PCV valve (B).

Inspection

  1. Insert a thin rod (A) into the PCV valve (B) from the threaded side to check plunger movement.
    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: 1.9 ~ 2.8 N·m

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.