Oil Catch Can for Mk I TT 3.2

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Jan 30, 2012 | 07:43 AM

SPRT T

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Oil Catch Can for Mk I TT 3.2

Greetings,

I am wondering if anyone has an opinion re the advisability of installing an oil catch can in my model (or how to do it if they have done this mod....) There is basically no information on the PCV system for the Mk I in the Bentley manual--a picture of the engine bay only shows a short hose going from the VR6'oil separator' mounted on the head (near the oil filler port)to the intake manifold (where there is a 'PCV heating element attached). Does this 'oil separator' act as a 'catch can' and prevent oil from going into the induction system ? Not sure if a (real) catch can would be placed in-line between these two connections (or at another spot--there is no shortage of vacuum hoses below and to the right of the motor).
It certainly was easier to troubleshoot the PCV system on my 1966 Impala SS 396 !

TIA,

SPRT T
2004 TT 3.2 S-line with various mods

Feb 5, 2012 | 10:20 AM

lkfoster

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From: Phoenix, AZ/Morro Bay, CA/Ashkelon, Israel

Why?

What do you hope to accomplish with one? I'm at a loss to understand why you might need one. If you're building up excessive crankcase pressure there is a piston ring blow-by issue and you're just addressing the symptom.

Feb 6, 2012 | 04:58 AM

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Quote:

Originally Posted by lkfoster

Thanks for the reply. My interest first got piqued from an email advert from 42 DD for these devices. With any PCV system, oil vapors get into the induction side, and eventually gunk things up. The thought was that this is more of an issue with a modern car that has various sensors located within the induction side (as opposed to my '66 Impala 396....) Perhaps it is only an issue with a modified turbo application and/or souped-up track car ?

Feb 6, 2012 | 08:13 PM

lkfoster

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From: Phoenix, AZ/Morro Bay, CA/Ashkelon, Israel

I think that the four-cylinder TTs have a problematic crankcase ventilation system. But our '04 3.2 at 100k miles hasn't had any issues there. Part of the reason is that at least with our motor things are pretty tight inside so not much blow-by.

Feb 7, 2012 | 04:22 AM

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Quote:

Originally Posted by lkfoster

Thanks--that's good to know. Now I can spend my time and money on other mods, e.g., LED 'bulb' replacements for my exterior lights--I've already replaced the interior lights (and license plate light) with a Ziza kit from ECS Tuning,
and it looks 'wicked cool'.

Feb 8, 2012 | 01:48 AM

lkfoster

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From: Phoenix, AZ/Morro Bay, CA/Ashkelon, Israel

If I had to pick a mod to do next it would be to add a Tire Pressure Monitor system, the 3.2 TTs do not have a spare tire.

Feb 8, 2012 | 08:59 AM

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Quote:

Originally Posted by lkfoster

If I had to pick a mod to do next it would be to add a Tire Pressure Monitor system, the 3.2 TTs do not have a spare tire.

Yes, that is a pain. The can of goop/battery powered inflator 'solution' is suboptimal--a flat tire in years past was not able to be fixed by this combo. After buying out my lease (and my TT became an owned 'project car'), I decided to buy a compact spare, and keep it in the car. After getting this online (from a salvage yard in AZ) I bought a nice
factory tire cover (with a red outlined 'TT' on it), and keep it place via the factory carpeted rubber mat/velcroed plastic
dividers combo. Even with the tire in the car, there is adequate luggage space (for my needs).