[T3] B brain

[Mark Reno]

Hey Jim could I get a B brain from you?

On Sat, Jun 2, 2018 at 9:38 PM, Jim Adney <jadney at vwtype3.org> wrote:

> On 2 Jun 2018 at 21:22, Mark Reno wrote:
>
> > I hear the relays click and I can feel the relay under the dash and the
> one
> > behind the seat click. It wonTMt start. I have checked my timing multiple
> > times, made sure I have spark, the pump runs, and have checked the
> grounds. I am
> > at a loss and it hasnTMt run for a few months now. So ITMm super bummed
> about
> > it.
>
> Assuming you hear both relay clicks, ~1 second apart, and your pump
> runs during that ~1 second, it's possible that your pump motor is
> running but the pump isn't pumping.
>
> There were 2 basic styles of pumps, early and late, and the
> changeover happened sometime in '69. If your pump has 3 ports that
> all stick out parallel, you have the late pump. I like the late pump
> better, but it has a weakness that makes them fail after all these
> years. I can rebuild these and make them work again, but you should
> check to make sure it's not pumping.
>
> To check, remove the screw from the gas test port between the #3 & 4
> injectors. If the pump is working, gas should squirt out during that
> 1 second. You may have to turn the key ON and OFF several times to
> get gas pumped all the way back. If you never get any gas, the pump
> is the problem.
>
> Be careful when you do this test; you don't want to start a fire. A
> rag over the test port will help keep gas from spraying everywhere.
>
> If your pump has 2 parallel ports and 1 at right angles, that's the
> early pump. I can't usually fix the early pumps, but OTOH, they tend
> to never need help.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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