2004 Jeep Wrangler SE, AutomaticFACTORY OEM SERVICE PROCEDURE

PCV Valve: Removal: 2.4L

The PCV valve is attached to the left/front side of the valve cover. See Figure. It is secured with 1 bolt. An o-ring is used to seal valve to valve cover. See Figure. Another type of threaded PCV valve may be used. See Figure.

  1. Remove hose from valve. Check condition of hose.
  2. Bolted PCV Valve:
    1. Remove 1 bolt.
    2. Remove PCV valve from valve cover.
    3. Check condition of valve o-ring.
  3. Threaded PCV Valve:
    1. Unscrew valve from valve cover.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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