Re: 505 turbo fuel pump-HELP

presslaff/bruce (yaleav@autobahn.mb.ca)
Tue, 30 Sep 1997 14:42:36 -0500 (CDT)

>
>The pressure pump makes noise when the primer pump in the tank is
>not supplying fuel this noise I believe is the sound of the impeller
>cavitating.
>This noise will vary with the depth of the fuel in the tank. The lower the
>fuel the more the noise. The pressure pumps are cooled and lubricated
>by the gasoline flowing thru them, run them W/O gas at it's and your
>financial peril. I don't know about the turbo cars but my XN6 has been
>running with an old Rabbit pump for years. These pumps mostly put out
>the same aproximate pressure, while the final operating pressure is controled
>elsewhere. I can't understand why you would put up with this mess for
>anytime at all?
>
>Bob
>
>
> Tim. Just how sure are you that there is no "Primer Pump" in the
>> tank? The Transfer pump under the car does not have the capacity to
>> supply fuel without the in-tank pump. I cannot imagine why the car
>> would run at all without one. The droning of the pump is supposed to
>> indicate imminent failure. But I don't believe it. My 87 had been
>> droning for 8 years, and never did quit.
>> Ray
>>
>>
>>______________________________ Reply Separator
>>_________________________________
>>Subject: 505 turbo fuel pump-HELP
>>Author: <peugeot@tesla.tor.ec.gc.ca > at MILNET
>>Date: 9/30/97 8:46 AM
>>
>>
>>Some questions about the fuel pump set-up on my car. The records from the
>>PO indicate that the tank & pump were replaced early on. At present, the
>>car has NO pre-pump in the tank, just the external one. It drones like mad.
>>And, when under high revs (and sucking major fuel, I assume), the car cuts
>>out. I think the two are related. Is the only fix to replace the tank/pump?
>>
>>ANyone have any ideas? The car runs fine, except when you really mash the
>>accelerator. Then, it builds RPM's to a certain point and goes CHUG in a
>>violent manner, throwing all occupants forward. Therefore, I'm not doing
>>much racing lately.
>>
>>THanks in advance,
>>
>>Tim
>>
>>
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