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How to Replace the PCV Valve in a Hyundai Sonata

by Contributor

The positive crankcase ventilation (PCV) valve enables the release of air as it passes through the engine compartments of your Hyundai Sonata. If the valve becomes clogged, you'll need to replace it in order for the engine to continue to run efficiently. You can make the installation on your Hyundai Sonata in a few simple steps.

Locate the PCV valve. You can find the Sonata's PCV valve next to the engine on top of the intake. You'll see a hose connected to the valve. The valve noticeably sticks out from the side of the intake.

Determine whether you need to replace your Hyundai Sonata's PCV valve. Test the valve out by blowing air through it and making sure the air does not get trapped but moves through the valve.

Order the PCV valve replacement from Rock Auto Catalog online. You'll find the original equipment replacement for Sonata car models made from 1989 to 2003. This includes both four- and six-cylinder models.

Remove the PCV valve from underneath the cover with a wrench. Disconnect the hose from the PCV valve and discard the broken valve.

Tighten the new PCV valve with the wrench. Once you have tightened the part, you can reconnect the hose. If the hose needs replacement, you can make the repair prior to finishing installation.

Tip

  • You should check the status of the PCV valve if your engine seems to run rough, especially while idling.

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