Quote:
Originally Posted by TDIwyse
Can't tell for sure, but if your routing has "low points" in your hoses, then this presents a possible problem with fumes condensing and liquid building up in those low points and constricting, and possibly blocking, crankcase venting. This would be a deeply suboptimal situation.
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My thoughts too when I saw this, with the routing as it stands there is a P-Trap going around the intake plumbing. I would think a different routing and or use of clear hose to monitor the filling of the p-trap, might be highly advised. A u-shaped loop has a high probability of plugging especially on a cold day start with lots of moisture in the crank.
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If a constriction forms (freezing or fluid build up), you could blow out the engine seals (main seal too) due to pressure build up in the crank case. Lots of folks have done expensive damage to their engines due to CCV and Catch Can Failures.