Does anyone know when you are supposed to change the PCV valve? I pulled mine off and it was covered in oil and had a buildup on it. I cleaned it off and put it back on. Thought I heard somewhere that if you shake it and it rattles pretty good then it needs to be replaced??
This is what it looked like.
It doesn't hurt to change it its one of those missed maint parts during tune ups
I plastic welded mine shut for the track and I have a working one for the street I also have the exhaust vent valves from the valve covers that do basically the same thing as the pcv valve just keeping all the nasty oil out of the intake
Nice! I just installed a catch can a few days ago. I opened it up today and saw a little bit of oil in there already. Thats what prompted me to look at the PCV. Pretty scary how much oil our 4th gens suck up into the fuel system.
Not sure why a $27 part is considered "cheap". I clean mine with brake cleaner. As long as it rattles after I clean it, it's good to go (I did finally change it @ 110K).
My service manual indicates: 60,000 miles, check and if needed replace the PCV valve. I ordered a new one a couple of days ago, and will install it when I have 60,000 miles. It is almost time to change the PCV valve and the spark plugs.
I live in a relatively small town, and I checked at several auto parts stores. I was told they either don't stock it or don't carry it. I ordered one from Parts Geek (cheapest price I could find). The total cost was $32.05 including shipping. It is made by Standard, part number V377, and is dark blue in color.:ermm: I will soon have 60,000 miles on my 2007 Ram so I will be replacing the original PCV valve at that time.:thumb:
gen 3 rams 03-08 have the lovely pcv twist in non catch can friendly after 08 they added the tube to the manifold so you can add the catch can if you want to.
Why would you take the intake off just to clean it? That's a bit of work. I would clean it in place. But If you do remove it I believe Carb. cleaner is not recommended. (Not sure why.) I used brake cleaner to do mine. And just general engine degreaser for the outside.
It seems to be running kind of rough and bad gas mileage even after the tune up and the intake looks kinda nasty so I figured ill clean it up and get a new pcv and that should take care of it
I would clean it with Throttle Body Cleaner or Brake Cleaner as they do not leave any residue on the parts. Just remember these cleaners evaporate rapidly. Spray then wipe immediately until all surfaces are free of residual oil, sludge, grease, etc.
If that is the parts he is talking about, then soap and water will do the trick.:thumb: I thought he was going to remove the intake manifold to clean the PCV port of oil and trash.
no need to pull manifold pull pcv valve and inspect if its gummed up do a sea fom treatment or get a can of top engine clean from dealer and do that. both just break down gum/sludge so it can be burned off.
Either method works well they both foam the inside of the intake an smoke like crazy once started after
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