[Vwdiesel] Injection pump timing?

Fri Dec 27 17:39:33 PST 2013

Here is a modification I recommend for the AAZ pump.  There is a timing
retard solenoid on the front of the pump.  Wire it to be powered full time
with the fuel shut off switch.  Then re-time it as you would a 1.6TD.   I
seem to recall .95 working well.  That solenoid retards fuel timing below
2000 rpm for emissions.  It also reduces performance.

Jason

On Fri, Dec 27, 2013 at 7:54 PM, ralph meyermann
<ralphmeyermann at gmail.com>wrote:

> I'll, get the part number off the pump to make sure. That'll probably be on
> Sunday.
>
> Velma 82 1.9L AAZ td westy
> On Dec 27, 2013 12:40 PM, <dieseltdi at verizon.net> wrote:
>
> > Unfortunately there are two different specs for AAZ timing.  On pump is
> > timed like all the previous 1.6’s the other is not..  I have the
> > instructions somewhere for the one that is not, I believe. Haydeh
> >
> > On Dec 27, 2013, at 11:01 AM, Bryan Belman <dieselwesty at yahoo.com>
> wrote:
> >
> > > Loren, he is using the 1.9TD pump from an AAZ.  I have one in the
> > garage, I will get the part number.
> > > I need the timing spec as well for another day when I get the pump on
> > the block.
> > > I just googled and found this for 1.9TD AAZ pump.
> > >  MK3 / A3 chassis (1993-1997):
> > > Engine AAZ  (1.9l turbo)                                        0.80
> > > +/- 0.02 mm
> > >
> > > Wow, check this guys directions out on how to do the pump timing.
> > > Incredible, thank you so much for creating this.
> > > I wish I had found this 15 years ago.
> > > I do it so little that I always need to reference my notes when setting
> > pump timing.
> > >
> >
> http://vincewaldon.com/index.php?option=com_content&task=view&id=24&Itemid=26
> > >
> > >
> > >
> > > My 1.9NA pump is .090mm +/- a bit.
> > >
> > >
> > >
> > > Bryan Belman, Pt. Pleasant, NJ
> > > 04 Jetta Wagon TDI PD BEW, 100hp, 5sp -- running :<)
> > > 04 Golf TDI PD BEW, 100hp, 5sp Tiptronic Auto -- running :<)
> > > 82 Diesel Westy 1.9NA 1Y -- running :<)
> > > 70 Type 1 Beetle -- Under Restoration forever:-)
> > >
> > >
> > >
> > > On Friday, December 27, 2013 6:02 AM, "lbaird119 at aol.com" <
> > lbaird119 at aol.com> wrote:
> > >
> > >
> > >   I'm not a big fan of just putting in a lower temp thermoswitch.
> >  They're designed to go with the thermostat.  Change stat temp, change
> the
> > thermoswitch.  Just change one and not use the correct one of the other
> and
> > the fan will either run way too much or not enough.
> > >   Make sure you're actually running hot, with a thermometer (IR or what
> > have you) rather than just using the gauge.  They vary.  Only in a
> Vanagon
> > would I suspect the timing could be off enough to overheat but power
> should
> > be equally low.  What the pump number in case someone  has the specs?
> >  Should be 068...
> > >    Loren
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: ralph meyermann <ralphmeyermann at gmail.com>
> > > To: Bryan Belman <dieselwesty at yahoo.com>
> > > Cc: vwdiesel <vwdiesel at vwfans.com>
> > > Sent: Thu, Dec 26, 2013 9:31 pm
> > > Subject: Re: [Vwdiesel] Injection pump timing?
> > >
> > >
> > > I'm using the injection pump that came with the AAZ. The water pump is
> > > ewish and of all metal construction, it was used in the 1.6 na with a
> > > ingle V belt conversion I purchased from Scott at turbo vans and not
> had
> > > ny issues on the 1.6?  The oil cooler hoses come out of the main
> coolant
> > > oses. I wonder if my timing is retarded thus adding more fuel/heat to
> > > chieve the power/speed desired? Planning on getting the dimensions of
> my
> > > adiator shroud to see if I can upgrade the cooling fans and a lower
> temp
> > > an switch.
> > >
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