From digest.v7.n734 Tue Dec 9 14:07:03 1997
From: "Ian Solomon" <irs_at_mailbox.uq.edu.au>
Date: Tue, 9 Dec 1997 20:13:41 +1100
Subject: <E12> Fuel Leak - FIXED
Well, I fixed the leak last weekend, mainlty thanks to your help.
FYI heres a summary of the responses:
>From Dan Patzer
In a well ventilated area, carefully add fuel until you get to the
threshold of where a leak will show.
If you had stains on the tank, you've got a leak. Hope it's a hose....
>From Thomas Louis Pappenhagen:-
it may be that the top of your fuel tank has a hole. if you had the leak
when the car was parked at an angle, but then when it was level in your
garage there was no leak. the e28's are notorious for these leaks, so the
e12's may have them too.
>From Al Sutlick, San Diego:-
I'm way behind, trying to catch up on the digests. Did you ever get a
satisfactory response to your query? If not, I can suggest a couple of
areas of concern.
*AND THE WINNER IS:-
>From Gregory Szczyrbak Lancaster, PA:-
Fill up the gas tank, does it leak for a whila and then stop? You might
have a leak somwhere near the top of the tank
Also, it might not hurt to check the fuel sender. Its not to hard to get
to. Access it through the trunk ( just a couple of screws or nuts or
something). Make sure that is sealed up real good.
Yes it was the fuel sender. The O ring was flatter than road kill. I was
able to turn the sender unit and remove it with 2 fingers. I found this on
Friday night (again after filling up) and had to jury rig it with some rag
until Saturday morning.
I ended up getting the correct O ring from a bearing service centre for the
grand sum of $1.00.
No more leaks.
However, top marks for answering (although this time incorrectly) go to Jim
Cash. After a quite informative technical explanation on
temperature/pressure variations he closed with these gems:
BUT trust me - it is time to change all the hoses. The first leakage
always seems to occur they way you described. If you wait much longer
you will actually be able to leave a trail of drips - one spark and its
a "flaming trail" - and that gives a whole new meaning to the term
PS - if you every want real quick service at your dealer - just say
"excuse me but my car seems to have gas draining on on your driveway" -
be prepared to have the keys snatched from your hand.
I didn't have to use it this time, but I'll file it away for future use.
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