[Vwdiesel] 0w30 Mobil 1

[dieseltdi at earthlink.net]

on 3/3/02 5:31 PM, Jonbonbart at aol.com at Jonbonbart at aol.com wrote:

> In a message dated 3/3/02 6:26:40 AM Eastern Standard Time,
> vanman at shentel.net writes:
>
> << Is anyone on the list using 0w30 Mobile 1? >>
>
> Yes, I am. I run it in a 1996 Passat TDI. I also ran it in my previous 1996
> Passat TDI.
> Some important points to bear in mind:
> The 1996 model year Passats specify an oil meeting the "API Service CD".
> Mobil1 meets these earlier VW requirements. Newer TDI models have a different
> oil requirement that Mobil1 might not be certified as meeting.
The reason that this is so is the difference in the EGR system. I don't know
about the 97 but the 98 ALH and AHU engines have a cooler for the exhaust
before it enters the manifold.  This cooling, I believe, is partially
responsible for the soot and oil build up many of the A4 TDI people have
suffered when they have used CF or lower rated oils.  For the ALH and the
AHU engines, I would stick with the CG or CH rated oils that are formulated
for EGR engines.  Hayden
-- Visit my homepage at http://home.earthlink.net/~dieseltdi
    2002 Jetta Wagon GLS TDI
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    98 Jetta TDI (daughter's car)
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    And many, many water cooled and aircooled
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