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>
>
> <<Suction screen in fuel tank is getting blocked with crud.>>
>
> True -but not always. I put a new tank in last year and my pump is 
> noisy
> again.
> Just 2 days ago in Idaho I could'nt get past 40 mph.
>
> My engine began to lose power and stall as the noise increased . I 
> reversed
> polarity of the pump momentarily and turned the key a few times.
>
> After reconnecting the wires correctly it started right up.
> I got all the power back and the noise went away.
>
> I suspect the pump brushes are worn. Since every pump I have as spares 
> makes
> noise,so  it's finally time for me to get a new pump.
>
> I took an old pump apart once and the commutator was deeply grooved 
> from
> wear.
> Reversing the pump apparantely helps the brushed make better contact?
>
> Robert
> Not a chance Robert. Reversing the pump runs it backward pushing the 
> crud out and clearing the inlet. Reconnecting allows it to pull gas 
> through an unblocked or unrestricted inlet. (untilit gets blocked 
> again) Time to clean out your tank and maybe apply a sealant.