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Syncroincity Samba Member

Joined: April 15, 2007 Posts: 1557 Location: New York City
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redi Samba Member
Joined: March 16, 2012 Posts: 4 Location: Helsinki, Finland
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Posted: Fri Mar 16, 2012 4:12 pm Post subject: |
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That's why I don't use EGR or breather to intake. |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Sat Mar 17, 2012 1:49 am Post subject: |
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redi wrote: |
That's why I don't use EGR or breather to intake. |
Mines getting blanked off, I'm just glad I agreed with the builder to get the head rebuilt. Wouldn't be wanting to drive it around with that crap in there, reckon that would have caused a few issues pretty quickly! |
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BlackDogVan Samba Member

Joined: December 21, 2007 Posts: 855 Location: Vancouver Island
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Posted: Sat Mar 17, 2012 7:23 am Post subject: |
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You're going to blank off your crank case breather? _________________ Gone but not forgotten - 1991 Carat - AAZ transmogriffied to mTDi.
Still addicted, looking for Doka... |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Sat Mar 17, 2012 7:40 am Post subject: |
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BlackDogVan wrote: |
You're going to blank off your crank case breather? |
No, the EGR |
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Zeitgeist 13 Samba Member

Joined: March 05, 2009 Posts: 12168 Location: Port Manteau
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Posted: Sat Mar 17, 2012 7:59 am Post subject: |
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EGR = pure evil _________________ Casey--
'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik? |
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Outback Kampers Samba Member

Joined: December 29, 2004 Posts: 2341 Location: Oregon Outback
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Posted: Sat Mar 17, 2012 11:08 am Post subject: |
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Install a Mann ProVent on the crankcase vent and the problem will disappear.
http://forums.tdiclub.com/showthread.php?t=90485 _________________ Karl Mullendore
1990 Syncro 16" sunroof Reimo highroof conversion
1990 Westy Multivan 112i automatic
1992 LT31 Karmann Distance Wide 'La Tortuga'
2014 Touareg X TDI |
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outwesty Samba Member

Joined: June 06, 2006 Posts: 1078 Location: Northern Sierras
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Posted: Sat Mar 17, 2012 5:44 pm Post subject: |
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I looked into the Pro vent but heard issues with them freezing up at cold temps. I had an aftermarket catch type can on the PCV and had it freeze up and it made quite a mes....I removed it shortly after. |
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Outback Kampers Samba Member

Joined: December 29, 2004 Posts: 2341 Location: Oregon Outback
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Posted: Sat Mar 17, 2012 5:53 pm Post subject: |
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outwesty wrote: |
I looked into the Pro vent but heard issues with them freezing up at cold temps. I had an aftermarket catch type can on the PCV and had it freeze up and it made quite a mes....I removed it shortly after. |
Can you can point me to where you heard that - because there should me no water vapour running though there. Very curious as I am about to install one on my new mTDI project. I'm trying to be totally environmentally friendly on this one, and venting to atmo is a no-no for me. It already has a hi-flow diesel cat, possibly particulate trap once I locate the correct/best one. I won't be running EGR but would prefer to keep oil out of the intake. _________________ Karl Mullendore
1990 Syncro 16" sunroof Reimo highroof conversion
1990 Westy Multivan 112i automatic
1992 LT31 Karmann Distance Wide 'La Tortuga'
2014 Touareg X TDI |
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?Waldo? Samba Member

Joined: February 22, 2006 Posts: 10031 Location: Where?
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Posted: Sat Mar 17, 2012 6:40 pm Post subject: |
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Water vapor is one of the combustion byproducts and so vapor does move through the crank vent system. That is the reason for the little heater on the crank vent on the Mk2 and newer engines. Without the heater functional the pressure drop can cause the moisture to crystallize and wear at the compressor wheel. I can see it being feasible that an oil separator would have freezing issues. I have been eying the late '90s BMW oil separators as they are less expensive new and more readily available used. The Pro Vent also looks really good. Comparatively, the VW hockey puck is not up to the task. |
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outwesty Samba Member

Joined: June 06, 2006 Posts: 1078 Location: Northern Sierras
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Posted: Sat Mar 17, 2012 6:45 pm Post subject: |
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Read the top post on the 17th page you posted. If you research catch cans most people don't run them in cold temps because the filters in them can collect moisture. You could see water crystals on the filter in mine when I removed it on a cold day. I'm going to just route mine back into the intake with the EGR deleted. |
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Outback Kampers Samba Member

Joined: December 29, 2004 Posts: 2341 Location: Oregon Outback
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Posted: Sat Mar 17, 2012 7:04 pm Post subject: |
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I doubt the freezing issue would be too worrisome in the van vs front-engine cars as was being discussed on that forum page (9?). Additionally, insulation and location could factor in to make freezing a non-issue. _________________ Karl Mullendore
1990 Syncro 16" sunroof Reimo highroof conversion
1990 Westy Multivan 112i automatic
1992 LT31 Karmann Distance Wide 'La Tortuga'
2014 Touareg X TDI |
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outwesty Samba Member

Joined: June 06, 2006 Posts: 1078 Location: Northern Sierras
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Posted: Sat Mar 17, 2012 7:56 pm Post subject: |
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Driving wasn't the issue. It would freeze after shutting the engine down for the night. When I started it in the morning it would pop the puck out of the valve cover as the pressure could no longer get through the filter inside the catch can. I hope it works out for you...I'm conscious of the environment myself and don't want it venting straight into the atmosphere. |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Sun Mar 18, 2012 1:10 am Post subject: |
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Like the look of that filter, mentioned it on club8090, and it looks as though there is a cheaper alternative.
Some passats and A4's from the AFN, AHU vintage came with a filter fitted.
Found it on vagcat, part number is
052103495
says its 17.35. Euros
I have no idea how to page grab, but if you go on vagcat.com, find passat, look up '99 model, then engine you can eventually find the diagram of one
This is the link to the page http://www.vagcat.com/epc/cat/vw/PA/1999/221/49/2697765/
Think you have to be a member to view though (quite easy to do) |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Tue Mar 20, 2012 2:16 pm Post subject: |
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Engine starting to look a lot more enginey now
_________________ 16" syncro multivan pop top AHU TDI
“Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.” |
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Zeitgeist 13 Samba Member

Joined: March 05, 2009 Posts: 12168 Location: Port Manteau
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Posted: Tue Mar 20, 2012 2:50 pm Post subject: |
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What's the triangular plate below the exhaust manifold? _________________ Casey--
'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik? |
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BlackDogVan Samba Member

Joined: December 21, 2007 Posts: 855 Location: Vancouver Island
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Posted: Tue Mar 20, 2012 3:00 pm Post subject: |
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On the crank case breather discussion, I had a nice little riser built from aluminum that allowed me to install the breather puck level as intended but above the block instead of the head. Then some tubing over to the breather on the valve cover. Worked like a charm. Breather puck at 50 degrees not optimal.
_________________ Gone but not forgotten - 1991 Carat - AAZ transmogriffied to mTDi.
Still addicted, looking for Doka...
Last edited by BlackDogVan on Tue Mar 20, 2012 3:10 pm; edited 1 time in total |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Tue Mar 20, 2012 3:04 pm Post subject: |
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I've wondered that myself, thought it might be something to do with engine mount? _________________ 16" syncro multivan pop top AHU TDI
“Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.” |
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Zeitgeist 13 Samba Member

Joined: March 05, 2009 Posts: 12168 Location: Port Manteau
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Posted: Tue Mar 20, 2012 3:24 pm Post subject: |
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Are those breather pucks available separately? _________________ Casey--
'89 Bluestar ALH w/12mm Waldo pump, PP764 and GT2052
'01 Weekender --> full camper
y u rune klassik? |
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lloydy Samba Member
Joined: September 15, 2010 Posts: 715 Location: cheam surrey
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Posted: Tue Mar 20, 2012 3:27 pm Post subject: |
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lloydy wrote: |
I've wondered that myself, thought it might be something to do with engine mount? |
I'm having hydraulic mounts, so i think its the start of fabbing a bracket _________________ 16" syncro multivan pop top AHU TDI
“Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.” |
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