I'm chasing an issue with high crankcase pressure, it's actually a 2005 Transporter T5 with the AXA engine but I believe it's essentially the same motor as a 2.0L Mk4 Golf and early 2000s Beetle.
It has very high crankcase pressure, enough to pop the dipstick tube out and you can feel it quite...

Just been contemplating crankcase ventilation and how it works in the non turbo FSI engines.

As far as I can determine the crankcase is kept under a constant vacuum by the operation of the PCV valve in the rocker cover.

Does anyone have any idea what the amount of vacuum...

Hi,

As part of numerous performance upgrades to my 1.4 TSI 118KW Golf mk6 I wanted to fit a catch can. Having just fitted forged pistons and cleaned out the heavily carboned up intake and valves whilst the head was off, I wanted to try and reduce future build up.

Most catch...

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VW B6 Passat 2.0T PCV Refresh Kits -

Tired of garage floor stains and adding oil at every fill up? Chronic engine oil leaks may be a sign that your car has a more serious problem with its crankcase ventilation...

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VW Passat B5 V6 30V PCV Kits -

Tired of garage floor stains and adding oil at every fill up? Chronic engine oil leaks may be a sign that your B5 30V has a more serious problem with its crankcase ventilation system....

Hey All

I noticed a split in a breather tee so started following it around the system. Found a crack in the crankcase breather that has opened up to a massive rupture.
I took off the relief (pancake) valve and cleaned the gunge in there (I reckon it couldn't have worked to limit...