16v fuel pumping woes

[blake at clockworm.com (Blake Irvin)]

ok.  btw, the sound i'm looking for only happened for a second or two  
with the key @ ON.

does the main fuel pump behave this way (i THINK it does based on the  
behavior of my fuel pump relay).

blake/

On Nov 16, 2005, at 1:45 , Jim Ruffi wrote:

> Time to get out the ole' test light or meter...you should simply  
> get 12V to
> the pump terminals when you're cranking.  You can easily get to the
> terminals, which have a wire connected to each, with a little  
> rubber boot,
> which pulls away.  If not, a pump is about $160 and an hour or so  
> to change.
>
> If somehow you're mistaken and the tank pump is also not running,  
> you should
> install a fused jumper in place of the relay (per the bentley) to  
> test the
> relay/wiring.
>
> Tip: disconnect the fuel lines from the tank before you change the  
> pump.  I
> think less fuel comes out this way (no siphoning)..not 100% sure  
> that is the
> case, but I do it anyway.
>
> Jim
>
>> -----Original Message-----
>> From: Blake Irvin [mailto:blake@clockworm.com]
>> Sent: Wednesday, November 16, 2005 1:39 PM
>> To: Jim Ruffi
>> Cc: Blake Irvin; Phil Boeye; Scirocco List
>> Subject: RE: 16v fuel pumping woes
>>
>>
>> ok - i think i described this wrong.
>>
>> looking at the bentley, i'd say for sure the part that was making
>> the sound (sort of a dry hum, not a buzz) was the accumulator.  so i
>> think it was the sound of fuel rushing into the accumulator cylinder
>> (?).
>>
>> i don't get this anymore.  i CAN feel the tank pump vibrate when i
>> turn the key to ON, but CAN'T feel the main pump (under the
>> passenger's side?) vibrate.
>>
>> so i'm guessing either bad connection to the main pump, or bad main
>> pump.  no fuses are bad, and i don't think my relay is or the tank
>> pump would not vibrate.
>>
>> blake/
>>
>
>