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Hey all! Quick question. Working on my 2003 E450 7.3. The driver side VC has the CCV on these. I removed the filter and I want to just install the plugs that the passenger side valve cover has instead of doing the re-routing mod that many have done. Just seems to be easier to plug the holes. I removed the CCV awhile back when doing other work to the vehicle and I lost the damn bolts so it's been off for awhile. Only problem is, is that now I'm getting crank case fumes making its way into the cab. I noticed the passenger side VC has some plugs installed on the cover. Anybody know where to find those plugs to install in place of the CCV filter? I'll post a pic below.
This is the plug that I'm referring to. It's located in the passenger side valve cover.
If you plug crank case vent you are going to start having trouble with oil leaks, the crank case pressure vent out. Either how you choose ( vent) or on its own ( pushing oil leaks)
You can NOT plug/close off the CCV. It doesn't matter "what seems easier". To expand on the post above me: You have 4 choices:
1.) Leave it- do nothing and a.) make yourself sick from the fumes. b.) splatter hot oil all over a very tight, very hot engine compartment and wait for the eventual fire. and c.) leave a gaping hole direct to your engines internals and just wait for all the contamination to enter and eventually destroy your engine.
2.) put it back to stock, including re-installing the "filter"/"doghouse" - Probably the best option. The filter prevents excessive oil from making its way into the intake tract
3.) Properly install a properly designed ccv re-route
4.) Plug it and wait for a number of substantial oil leaks and for the engine to punch it's own CCV out of some seal/gasket something somewhere. It will most likely start by pushing oil out of the dipstick tube down by the oil pan. Who knows what else will be damaged? It could blow out the front crank seal, or the rear main?
These engines ( as do most) generate a substantial amount of crankcase pressure/fumes that MUST be vented off somehow. If anything, it might be beneficial to ADD an additional CCV vent on the passenger side.4
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