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Old 06-08-2017, 10:48 PM   #12 (permalink)
EcoModding Lurker
Join Date: Jan 2009
Location: Melbourne, Australia
Posts: 18

hatch - '05 Volkswagen Golf Mk.V
90 day: 33.42 mpg (US)
Thanks: 11
Thanked 4 Times in 3 Posts
Is it possible my engine really doesn't have a PCV valve?

Perplexing response from VW, Sent in a parts order request:
"this vehicle does not have a PCV if you are referring to the piece that the oil filler cap screws into, this is part of the rocker cover - $..."

I found pcv valves for the BGU engine in older cars, and equivalent year SEATs (06A 103 465D) which look superficially the same:

But the wall around the filler is much thinner, the X reinforcement doesn't match, there's no marked part number, and I see no breaks to allow vented air in.
If I trust the parts guy, my guess is they deleted the PCV valve on a revision, and kept the tube positions to route the breather to the intake pre-throttle.
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