[Vwdiesel] It arrived!

[Andrew .Libby]

All of the AAZs that were fitted to vehicles had the early crank sprocket
interface and so were subject to an alarming failure rate.  Only the
factory rebuilds got the updated TDI crank sprocket.  I would recommend
having the crank modified for the updated sprocket.  Even still, the TDIs
will mess up the crank sprocket if the free-wheel alternator pulley seizes
and stop free-wheeling on overrun.  Regardless of which crank sprocket is
fitted, do not run the serp belt with a solid alternator pulley.  The serp
setup will all fit just fine in a vanagon with the removal of some foam on
the bottom of the engine lid.  The K03 and T2 turbos will fit without
issue.  The K14 is an extreme interference although my personal preference
WRT performance.


On Sat, Jun 22, 2013 at 7:43 AM, ralph meyermann
<ralphmeyermann at gmail.com>wrote:

> It seems to be a later AAZ with the high mount turbo, there is only one
> switch on he injection pump on throttle and it has a cold start lever to
> match with my cable. It appears to be original alternator on engine and its
> dated 04 of 95
>
> Velma 82 na diesel westy
> On Jun 22, 2013 8:58 AM, <dieseltdi at verizon.net> wrote:
>
> > You will need to change the engine backing plate (behind flywheel) as it
> > is different than the 1.6.  I know the serpentine belt set up won't fit
> in
> > a Mk1 but I don't have any idea about the Vanagon.  There may be two
> extra
> > wires going to the injection pump.  One is to the cold start valve on the
> > front of the pump, it can be wired to a momentary switch or simply
> ignored,
> > the other is usually attached to a switch on top of the pump attached to
> > the accel arm.  I used this as a cut off for the compressor under
> > acceleration.  Although several have mentioned putting a TDI crank
> > sprocket, or changing out the whole crank to prevent a failure of the
> crank
> > sprocket, this was a problem on only the earliest years of the AAZ and
> was
> > straightened out later so if you have a relatively recent version of the
> > motor, you are probably OK.  I have done an AAZ install in a MK2 Jetta
> and
> > the ONLY big disappointment was the fuel economy.  It was simply not a
> good
> > match for the transmission in the Jetta so it revved too high at highway
> > speeds.  Are you sticking with the 4 speed in the Vanagon or have you
> > sourced a 5speed?  BTW you MIGHT have some clearance problems with the
> > engine carrier on the turbo side of the engine as the carriers are
> > different between the turbo engine and the NA engine.  There is a guy who
> > sells the carriers on the Samba if you want to make sure you have the
> > correct clearance, otherwise you may need to "clock" the turbo housing to
> > get clearance.  Hayden
> >
> > On Jun 21, 2013, at 7:17 AM, ralph meyermann <ralphmeyermann at gmail.com>
> > wrote:
> >
> > > Hey its me again and my AAZ is here!!! I have a few questions about
> > > compatibility of a few things. Flywheel any balancing issues, oil psi
> > > sending unit is it the same psi rating as the 1.6? Now the tough one!
> If
> > I
> > > swap out waterpump housing and can keep the alternator and mounts off
> AAZ
> > > is the alternator compatible wiring wise? I see the battery lead then a
> > > small 2 wire plug one blue and one red I think, my old one has battery
> > wire
> > > and one blue for energizing ? Thanks!!
> > > Velma 82 na diesel westy
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