84 FUEL TANK REMOVAL PROCEDURE w/PICS
#31
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Join Date: Aug 2011
Location: Northern Virginia
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You asked the question rhetorically if these tanks crack. I don't know, however, my 86.5 smells really bad if I fill more than 14 gallons. My father took it to his Porsche dealer and they "tightened" some fittings, charged several hundred and the problem never went away. I knew I needed to fix it myself which I prefer anyway. I read your post about changing the fuel sender O ring and ordered one hoping that is the problem. Received it yesterday. However, I recall one time I filled the car and looked underneath and fuel was spilling out. Since then, I've been careful not to overfill. Every once in a while I forget but it hasn't spewed fuel like that since. I really think I have a cracked tank also. Not in the mood to spend several hundred on another tank, so I really hope the O ring fixes the issue. I'll post the results in case the crack is a common issue with these tanks.
BTW, I love reading your procedures. They are just fantastic and really help a novice like myself feel like an ASE!
BTW, I love reading your procedures. They are just fantastic and really help a novice like myself feel like an ASE!
#32
Pretty much the same here, smell and dripping fuel if filled to the top; dripping stops after driving a bit.
Suspects: breather hose/cracked breather hose fittings/crack in tank similar to Dwayne/fuel sender seaL.
I took the tank out using Dwayne's guide - most like culprit, slightly folded-over sender seal that also caused the sender to rub against the tank splash well. As my car is in an advanced state of undress I can't tell you if the new seal worked even though it seems logical.
My tank was covered in liquid run stains/trails that didn't help. I put some fuel in the tank and moved it all around to see if the top of the tank had a leak - nothing.
How is the flexible fuel return hose at the toop of the tank? Clamped at the tank, crimped at the pipe end.
Suspects: breather hose/cracked breather hose fittings/crack in tank similar to Dwayne/fuel sender seaL.
I took the tank out using Dwayne's guide - most like culprit, slightly folded-over sender seal that also caused the sender to rub against the tank splash well. As my car is in an advanced state of undress I can't tell you if the new seal worked even though it seems logical.
My tank was covered in liquid run stains/trails that didn't help. I put some fuel in the tank and moved it all around to see if the top of the tank had a leak - nothing.
How is the flexible fuel return hose at the toop of the tank? Clamped at the tank, crimped at the pipe end.
#33
Rennlist Member
I'd bet our vendors carry them, but ...
Just because I once went nuts trying to find anti-vibration mounts for a Jaguar, just like those shown in Dwayne's second post at the pump and filter:
http://www.vibrationmounts.com/
Just because I once went nuts trying to find anti-vibration mounts for a Jaguar, just like those shown in Dwayne's second post at the pump and filter:
http://www.vibrationmounts.com/
#34
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Oaros - I replaced my oring this weekend following Dwayne's guide. Went very smoothly but like you mine is so undressed, I can't tell if the smell stopped. It seems reduced at least