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850 fuel leak from pump/sending unit area 850 1993

posted by  zrubin on  Mon May 20 10:18 CST 2002
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last visit: Thu Sep 20 15:45 CST 2012
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I'm trying to diagnose a fuel leak ('93 850GLT 5-speed, 115k miles) that only occurs if the fuel tank is topped off and the car then sits for several hours. The fuel is coming from the area where the in-tank pump/sending unit mounts to the top of the fuel tank - I can't tell if it's coming from one of the lines or the sending unit cover itself. The unit has been resealed, and if it were a simple leak I would guess the car wouldn't have to sit for so long before the fuel begins to leak - is one of the lines coming from the top of the tank for a vapor recovery system or something like that where fuel might collect and leak? Any theories, guesses, past solutions or explanations of those lines or similar leaks would be appreciated - Thanks

Zack
'80 245DL 253k
'89 XR4Ti 101k
'98 M3........






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New 850 fuel leak from pump/sending unit area [850][1993]
posted by  zrubin  on Mon May 20 10:18 CST 2002 >


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