96 A6 Quattro fuel pump

[Grant Lenahan]

On a C4 anyway, you should hear the pump[ energize then stop when you  
turn the key on.
If it is not running, it may be dead.

You can hear it really well if you remove the back seat.

Grant
On Dec 13, 2007, at 2:01 PM, Kevin Smith wrote:

> Sorry guys, I should have been more specific with my original post. I
> was asking about the pump making any noticeable noise not because  
> it IS
> noisy, but because I cannot hear ANYTHING at all from it right now. I
> don't remember ever hearing it in the past either, but never TRIED,  
> so I
> wasn't sure. I was hoping that under normal circumstances you could  
> hear
> it slightly, so I'd know if it's operational or not. Since I can't  
> hear
> it at all when turning the key or trying to start the car, I wasn't  
> sure
> if it was pumping or not. I have a fuel delivery problem (no fuel
> getting to engine) apparently, because the car just cranks and will  
> not
> start, but squirting a little starting fluid into the intake will make
> it start.
>
> So, to recap, I am not getting any fuel, but I do have spark. No sound
> can be heard from the fuel pump, and thus the reason I was asking  
> about
> being able to hear it, and asking where the pump is, and how easy  
> it is
> to replace if necessary. Also wanted to know where the relays are in
> this car, so I can check the easiest and cheapest things first.
> Searching online I have found several different posts about  
> location of
> the relay, one being behind a panel in the rear, one being in the main
> fuse box under hood, and one being under dash, above the area where  
> the
> pedals are. The car is a 1996 A6 Quattro Wagon. I'm guessing it's
> probably under dash, because there is nothing labeled in the main
> fusebox for fuel pump, and the fuse box inside the car has a fuel pump
> fuse which is fine, and I couldn't find any relays or anything in the
> rear compartments. I'll have to remove the panels under the dash and
> search I guess.
>
> Anyway, thanks for any input that you can provide. I'd really like to
> get this car running again. My other car (bmw 325) had engine failure
> recently, so I'm stuck with only my standard cab pickup, and I'm tired
> of it.
>
> Kevin Smith wrote:
>> On a 1996 Audi A6 Quattro Wagon, would the fuel pump make a  
>> noticeable
>> amount of noise when the key is turned on? I can't remember ever
>> noticing it before, but I seem to have a fuel delivery issue with the
>> car, and I'm trying to sort it out. I have checked all the obvious  
>> fuses
>> in the fuse box inside the car and under the hood, but can't find any
>> issues there. Is there a relay that I can check, or any hidden
>> fuses/fusible links, or anything anyone can suggest? If it is fuel  
>> pump,
>> how difficult is it to replace on this car? Does the tank have to be
>> dropped to do it, like in so many other vehicles?
>>
>> The car has been sitting for a bit, and the battery was dead, so I
>> recharged it and tried to start, but it just cranks forever. I  
>> need to
>> get it running so I can get the registration taken care of.
>>
>> Thanks for any hints, tips, tricks you can provide.
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