Bypass Valve pressure specs (Mann for VW/Audi)

[G Peen Jr]

According to Mann:

W940/25 - 2005/06 longitudinal 1.8T only.
W719/30 - up to 2004 longitudinal and 2006 transverse 1.8T.

[ April 19, 2006, 02:04 PM: Message edited by: G Peen Jr ]

 

[moribundman]

A few weeks ago I asked for info regarding differences, besides the length of the filter assembly, in regard to filter medium specs and bypass valve pressure
settings of the 930/21 and the 940/25. Today I received a reply:

quote:

---

Please see the explanation below concerning our filter elements. Should
you require more detailed information, please do not hesitate to contact
Bruce Bounnakhom, Manager of Filter Development directly. Bruce can be
reached at 269-329-7286.

These are oil filters
W940/25: efficiency (ISO 4548-12) 50% at 18 micron (flow rate of 36
l/m); capacity =29 g
W930/21: efficiency (ISO 4548-12) 50% at 14 micron (flow rate of 40
l/m); capacity =25 g no information in our database on bypass opening
pressure.

Kind Regards,
XXXXX

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They have no data on bypass pressure specs?

 

[Filter guy]

Maybe they should read their own catalog...

 

[moribundman]

If I had one, I'd mail it to them!