Tank Fuel Pump
08-17-2018, 06:32 PM
#11
AudiWorld Super User
Bob-
A tank full of petrol vapors is not a problem. The fumes need that magical right air:fuel ratio to get frisky. It is not uncommon for folks to do things like spraying a CO2 extinguisher inside, or dropping dry ice inside, or finding other ways to displace air from the tank. Displace the air, the petrol won't go boom no matter how hard you try.
Betcha the highly trained and certified qualified Audi mechanics don't bother to do that in the shop, either.
A tank full of petrol vapors is not a problem. The fumes need that magical right air:fuel ratio to get frisky. It is not uncommon for folks to do things like spraying a CO2 extinguisher inside, or dropping dry ice inside, or finding other ways to displace air from the tank. Displace the air, the petrol won't go boom no matter how hard you try.
Betcha the highly trained and certified qualified Audi mechanics don't bother to do that in the shop, either.
08-17-2018, 07:10 PM
#12
AudiWorld Super User
Bob-
A tank full of petrol vapors is not a problem. The fumes need that magical right air:fuel ratio to get frisky. It is not uncommon for folks to do things like spraying a CO2 extinguisher inside, or dropping dry ice inside, or finding other ways to displace air from the tank. Displace the air, the petrol won't go boom no matter how hard you try.
Betcha the highly trained and certified qualified Audi mechanics don't bother to do that in the shop, either.
A tank full of petrol vapors is not a problem. The fumes need that magical right air:fuel ratio to get frisky. It is not uncommon for folks to do things like spraying a CO2 extinguisher inside, or dropping dry ice inside, or finding other ways to displace air from the tank. Displace the air, the petrol won't go boom no matter how hard you try.
Betcha the highly trained and certified qualified Audi mechanics don't bother to do that in the shop, either.
Empty tank, temperatures rising, short circuit spark in fuel tank........BOOM!
You run the borescope test, and reply back here how it went. If we don't hear from you, well.......
Last edited by Bob Petruska; 08-17-2018 at 07:32 PM.
08-24-2018, 11:24 PM
#13
Hey all,
My fuel pump filter on my 2009 Q5 was cracked and leaking so I'm replacing the filter. My question is very specific. After reinstalling everything, my car wouldn't start and I got a tank error in the display. Digging back in there, I pulled everything out and noticed this line with the tank end loose. I know it belongs down in the tank but, reaching down there, I can't feel a fitting for it, so I don't know if there's one I'm missing or if this line is just supposed to hang open in the fuel. It's the long yellowish line in the picture. Any insight is greatly appreciated.
long yellow line
My fuel pump filter on my 2009 Q5 was cracked and leaking so I'm replacing the filter. My question is very specific. After reinstalling everything, my car wouldn't start and I got a tank error in the display. Digging back in there, I pulled everything out and noticed this line with the tank end loose. I know it belongs down in the tank but, reaching down there, I can't feel a fitting for it, so I don't know if there's one I'm missing or if this line is just supposed to hang open in the fuel. It's the long yellowish line in the picture. Any insight is greatly appreciated.
long yellow line
There was a recall on those cracked fuel pumps- call a dealer and give them your WIN.
I had mine replaced as a whole assembly- the filter +pump, using a VDO pump which is identical to OEM.
The dealer later lubricated the o-ring that holds the pump down.
I did get reimbursed for the cost of pump replacement after a fight with Audi.
For more info you could search for my post about the problem.
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