All Things Mk5 > How to Guides / Troubleshooting
PCV Valve - which revision?
pudding:
I can't keep up with all these revisions. I fitted a P I think it was, along with the updated corrugated turbo pipe, which has a check valve in it. I've since fitted an R and all is still fine.
If you fit a P without the check valve turbo pipe, it won't run properly, but R seems to do both jobs. I don't get it. But there it is!
f00glee:
Taken from a previous post of mine a while back:
"It seems revisions E, G and P require breather pipe with valve. Revisions N, L, K, F, C and R do not"
So, to determine which you are most likely to need, find your current rev in these two sequences and go for the latest one. ***this was from my own research so suggest you have a look into it further to confirm, i don't want to be responsible for anyone buying the wrong part :slap:
TrevorPhold:
What is the difficulty of valve cover replacement diy vs this diy?
Will any dust go inside of the engine fall into engine from pcv?
pudding:
--- Quote from: gman on November 07, 2017, 07:41:32 pm ---I thought that R was a compatible replacement for all previous revisions regardless of the presence of check valve in breather pipe and fitted it. Never understood how that works but if that explains the oil consumption that'd be an easy fix :signLOL: (I wish it was this easy to fix oil consumption haha)
--- End quote ---
Even with the check valve in the rear pipe, oil from turbo blow back still find it's way on to the MAF......so it solves bugger all :grin:
pudding:
--- Quote from: TrevorPhold on November 29, 2017, 03:05:48 pm ---What is the difficulty of valve cover replacement diy vs this diy?
Will any dust go inside of the engine fall into engine from pcv?
--- End quote ---
Valve cover? Why are you replacing that? It is very easy to replace by the way. Comes with all new bolts and seals, so you literally just unbag it and throw it on. Takes 15 mins tops.
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