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On 26 Oct 97, Greg Merritt wrote:
> At 5:41 AM -0600 10/26/97, Melissa & Jim wrote:
> >problem. You should open up the sensor and try to fix the leak.
> >Perhaps you can find a new o-ring that will seal better.
>
> O.k.; will do.
>
> >All units have the Bosch numbers; you need a 0 280 100 007. Only
> >original units and replacements purchased through dealers will have
> >the VW number as well. [your 'brain' should be a 311 906 022D]
>
> Yes, I have a black-sticker "022D" in there. is the Bosch# -007
> pressure sensor the correct one for 1971, or the replacement for the
> VW# -B sensor that happened to be in this '71?
B-007 = VW -055C ('70-1)
> >I've never seen this. I'm assuming you aren't just letting the
> >pressure gauge rest on the engine where engine vibration would
> >confuse things.
>
> I will confirm this.
I have a hard time imagining what could cause such a symptom. Even
if you turn off the pump with the engine running at idle it is
amasing how slowly the needle normally drops.
> >but you should be able to buy the same thing locally for similar
> >money. I could sell you one for $40, shipped, and mine have been
>
> Called around; I can pick up a new Bosch one locally (my FLAPS has
> it in stock), so I'll pick that up tomorrow. Easy enough.
Good, just curious, what price?
> >You're seeing an awful lot of problems at one time for a single
> >vehicle, but this is actually not too unusual for a just-purchased
> >car that has probably not seen a lot of use 'til lately. I'm
> >assuming this is your "new" car.
>
> Nope! It's the one I've owned for 6 & 1/2 years. This car has
> been driven daily (literally) for the past 14 months (25+ miles/day
> M-F on my wife's commute, plus errands on the weekend). I've taken
> it to 28 states--coast to coast, border to border. I'm shocked to
> find both a crappy votalge regulator & a busted manifold pressure
> sensor at the same time. Weird. A testament to the robust nature
> of D-Jet? Or just dumb luck? I also share your suspicion that I
> will find more things wrong...
Probably just Murphy's Law. If sealing the sensor and replacing the
VR don't fix the whole problem, then you porbably have an injector
that is stuck open. I have never seen this, but I understand that it
can happen if dirt gets in the injector and holds the valve open. Is
the rubber overflow hose on your fuel filler neck in good shape? If
gas can leak out there, then water and dirt WILL get thrown in.
Usually the filter saves you, but it must be in good shape too.
Jim
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Melissa Kepner Jim Adney
Laura Kepner-Adney
jadney@vwtype3.org
Madison, Wisconsin
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