I didn't think that that it would matter. I had to replace one on a friend's grand cherokee recently I looked around and saw that oil was leaking around my pcv valve
Replacing the PCV valve on a Dodge Ram 1500, 4.7L - YouTube
I had this on my list of maintenance as my truck has almost 90k miles on it, but had been dreading it as it’s so hard to get to.
When the valve sticks, leaks, or plugs up, it can trigger bad pcv valve symptoms like rough idle, oil leaks, and increased oil consumption—so replacing (or fixing the real restriction upstream) often restores.
Learn how to replace a pcv valve, prevent engine issues, and ensure smooth performance with autozone. Learn how this crucial, inexpensive component regulates engine pressure and when it requires replacement. Changed the pcv on my brother’s 2016 5.7l ram with over 193k on it for the first time Could still shake it and hear it jiggle a bit but it was due in my opinion.
A stuck or damaged pcv valve or hose can create a noticeable whistling or hissing sound, especially at idle This noise often changes when the engine speed changes and can easily be mistaken for other. I went down to the local dealership today and bought a new oem pcv valve I went out and installed it before leaving, and noticed an immediate difference in the way the truck ran.