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Fuel Accumulators
Sorry, I wasn't paying attention when I typed in these part numbers - they
should have been:
CIS: pn 431 133 441 C
CIS-E: pn 853 133 441
My apoligies for the mixup.
Drew
On Mon, 28 Jul 2003, Drew MacPherson wrote:
>
> Sal, there is a difference between the CIS accumulator and the CIS-E
> accumulator:
>
> CIS: pn 431 133 441 C
> CIS-E: pn 853 133 331
>
> The early A1 CIS accumulators have been superceded by the late A1 CIS
> accumulators, which were also used on A2 CIS installations. The early
> accumulators had hot starting problems, IIRC, which is why they were
> replaced by the later versions (sometime around 1980 I think?)
>
> CIS-E accumulators (both A1 and A2) are smaller in appearance than the CIS
> version - spring housing on the accumulator, which is the end of the can
> furthest from the fuel connections, is shorter and smaller around on CIS-E
> accumulators, implying that the spring is not as big as the CIS version.
> I had one of the CIS ones rust apart on my neighbour's 87 Jetta and it was
> a very heavy spring and diaphragm inside. If you ever decide to cut one
> open for kicks, don't point it at anything you care about! :)
>
> In addition to smoothing pulses from the main fuel pump, the accumulator
> is also responsible for maintaining fuel pressure when the engine is not
> running. A bad or leaking accumulator will result in harder starts
> (especially hot starts.)
>
> HTH,
>
> Drew
>
> On Mon, 28 Jul 2003, Sal Guzzo wrote:
>
> > Can anyone tell me whether or not there's a difference between a mk1 accumulator and an accumulator from
> > a 16V scirocco?
> >
> > I have a 1981 Scirocco with a 16V and I'm not sure which fuel accumulator to use...my buddy has a brand
> > new accumulator for a 16V rocco but I'm not sure if I can use it or not :(
> >
> > TIA
> >
> > Sal Guzzo
> >
> > - Fear is your only god.
> >
> >
> > _______________________________________________
> > Scirocco-l mailing list
> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
>
>
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