[Vwdiesel] Need Some Clarification !

[Nate Wall]

The larger bore pump in the automatics is soley for to
meet emissions standards. In order to do this, the
injection pressures have to be higher on the automatic
tranny TDIs, hence the larger bore pump

--Nate
--- TexasTDI <TexasVWdriver at hotmail.com> wrote:
> That's the way VW made them.  The 5 speed gets a
> 10mm pump and .184mm
> injectors.  The automatic gets an 11mm pump and
> .158mm injectors.
>
> The automatic TDI gets less fuel mileage because of
> the transmission.
> Automatic cars always get less mileage than 5
> speeds.
>
> Chris Thornton
> 1991 VW Jetta 2 Door 1.6 Diesel - 237k miles
> 2000 VW Golf 1.9TDI (turbo diesel) - 82k miles
> Amsoil Synthetic Lubricants Dealer #1098500
> http://www.amsoil.com
> http://texastdi.com/6/ubb.x
>
> ----- Original Message -----
> From: "Shawn Wright" <swright at zuiko.sls.bc.ca>
> To: <vwdiesel at vwfans.com>
> Sent: Tuesday, May 20, 2003 6:54 PM
> Subject: Re: [Vwdiesel] Need Some Clarification !
>
>
> > Larger fuel pump? Why is this? My Dad's noticed
> his '02 auto gets worse
> > mileage (about 45-48mpg imp)  than his '01 5sp
> (50-55mpg imp) (both
> > Jettas), but I'd have thought this wouldn't matter
> to the fuel pump...
> >
> > On 20 May 2003 at 18:46, TexasTDI wrote:
> >
> > > Yes, if her's is an automatic.  5 speed is to be
> changed at 60k.  The
> reason for
> > > this is the timing belt runs the fuel pump.  And
> the automatic TDI has a
> larger
> > > fuel pump than a 5 speed (11mm vs. 10mm).
> > >
> > > Chris Thornton
> _______________________________________________
> vwdiesel mailing list
> vwdiesel at vwfans.com
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