Re: Fuel pumps dying one after the other

["Dan Bubb" <jdbubb@ix.netcom.com>]

Hate to keep bringing this up, but what about the fuel pump relay. Gets hot,
stops working or becomes intermittent.
Before you buy another pump rig up a jumper wire to replace the relay and
substitute it when the pump seems to be acting up.
My 79 went thru these relays on a regular basis. They got hot enough to melt
the solder connection and then burn the traces on the little PC board.
The new relays are much better, but my 84 just started acting up (occasional
missing, dying and not wanting to start, almost always when the engine had
been running for awhile and the relay was damn hot) and replacing the relay
cured the problem.
Dan

----- Original Message -----
From: Wm. Josiah Erikson <scirocco@insanetechnology.com>
To: Scirocco List <scirocco-l@scirocco.org>
Sent: Sunday, June 24, 2001 4:08 PM
Subject: Fuel pumps dying one after the other


> Hey all,
> My '84 Rabbit eats fuel pumps, I would loved some opinions on why.
> I've had five fuel pumps in it now in four years. I have 13.5v to the
> pump, steady, but sometimes my internal wiring gets screwy and it'll drop
> down to like 9v and then shoot up to 13v. Then I go under the hood and
> clean off the terminals and it works fine again - 13.5v steady. It's the
> internal power wire that gets corroded. Could this ruin my fuel pumps?
> I could possibly have crap in my tank, and in light of this, I'm
> going to put an inline filter between the tank and the pump.
> The third possibility is that not having the fuel pressure
> accumulator is ruining my pumps. Would it? I don't have one. I have never
> noticed any other disadvantages. Somebody once told me that this could be
> a problem, but I haven't heard anybody say they actually know that there's
> anything wrong with doing this. I'm loath to get a new fuel pressure
> accumulator, because it would mean that I would have to get the two lines
> that go to it and from it as well, but I would if that's the thing to do.
> What prompted this is that the other day, my Rabbit started
> skipping - it always always runs well up to 7200rpm or so, and it started
> skipping above about 5000rpm at full throttle. Sometimes it does it now,
> sometimes it doesn't, but it's directly related the the sounds that the
> fuel pump is making. When the engine is skipping, so is the fuel pump.
> It's going like, bzzzz-bzt!bzzzzzzzt!-bzzz-bzt!bzt! when it's skipping.
> Opinions? Ideas?
> -Josiah
>
>
>
> --
> '87 5KCSTQW
> '84 GTi
> http://insanetechnology.com
>
>
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