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-   Porsche 924/944/968 Technical Forum (http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/)
-   -   Fuel Line leak.... (http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/215969-fuel-line-leak.html)

strath44 04-12-2005 01:24 PM

Fuel Line leak....
 
What a pain put the old girl up on the ramps tonight to start tidying up the rear arches and as alway had a quick look under to check nothing was a miss anyway long story short there is a leak in one of the fuel lines at the rear end before it goes behind the suspension bar. I can see a connector up near where the gearbox meets the rear of the car but access looks very bad surely you don't have to drop the torsion bar to replace the fuel lines?? Also are they expensive (silly question) and can they be fabricated like brake lines?? Any other help appreciated!

legion 04-12-2005 01:35 PM

Better fix that...your car could end up like mine....

strath44 04-12-2005 01:41 PM

doh - what happened to yours?

legion 04-12-2005 01:47 PM

Kinda just a joke, but I think mine was caused by a bad fuel line in the engine compartment:

http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/215869-one-less-s.html

strath44 04-12-2005 01:51 PM

ouch, yeah would like to avoid that! suppose thats always going to be a prob when you start disturbing a 20 year old system def one for the garage!

Zero10 04-12-2005 02:05 PM

Sounds like one of the rubber lines failed.
Can you tell exactly where it is leaking from, and perhaps find the hole/loose fitting?

strath44 04-12-2005 03:19 PM

Are these long lines running from the engine area to the tank at the back rubber I didn't squeeze them thought they were metal, but its definitely cracked and theres a small leak on the other line at the end of the long straight under the floor pan.

944cabby 04-12-2005 03:51 PM

fuel
 
Strath, the fuel lines are expensive (over a couple of hundred at least if i remember) but i was quoted over 60 quid secondhand - the problem is apparently the suspension has to be dropped to fully replace which is time consuming and so expensive.My s2 cab has slightly rusted fuel lines at the rear which i had checked out last november - they turned out to be ok and were waxoyled to protect.The garage that checked mine out reckoned that they could however replace sections of pipe if need be.I've had this happen before on my 924 - in the same place - however i replaced the section (just at the rear of the floorpan) with hydraulic hose.It is very dangerous when they leak due to the closeness of the exhaust - my 924 emptied very, very quickly at a set of lights and left me stranded - stroke of luck it never ignited!A common problem with these motors, i've also had brake pipes rust through as well.

SoCal Driver 04-12-2005 05:29 PM

Pipes? tubing maybe.

Was working as a trailer frame welder in my late teens. Good money but it was a graveyard shift. One of the foremen decided he was going to weld a hitch on his car. Struck the gas tank making a small hole and set the gas on fire that was leaking out of it. He jumped in the car and was making circles in the storage yard honking and yelling for a fire extinguisher! A long trail of burning gasoline trailing behind trying to catch up with the car!

strath44 04-12-2005 11:55 PM

yeah the brake lines went a year back they were relatively straight forward to sort but this looks like a nightmare. 60 for used lines seems okay, would be great if the line can be replaced in sections will try and find out. Can anyone confirm if the suspension has to be dropped on my car to do this if so 2what should I think about replacing at the same time? cheers

strath44 04-14-2005 02:24 PM

Hey (44cabby) can anyone give me any info on replacing the lines with high pressure tubing how did you do it on your 924. Will a good garage know about this sort of thing or will it need to go to a specialist?? Has anyone replaced the main fuel lines can the metal ones be replaced with rubber high press to avoid dropping the t-bar??

john dory 04-15-2005 06:32 AM

try porscheshop.co.uk, good online catalogue, good 'phone service, 0870 0055911. Company is in Kidderminster

SoCal Driver 04-15-2005 06:55 AM

I would prebend just the part necessary to get around the torque tube then bend the rest inplace. Use Parker-Hanifin swedge lock fittings to cinch to the tubing.

strath44 04-15-2005 12:39 PM

thanks for the help gents getting somewhere now especially on bending it in place thanks Socal, also cheers for than porsche shop www. its a great site unfortunately the lines on it are still 195.

944cabby 04-15-2005 05:56 PM

lines
 
Strath, i used high-pressure tube from a local engineering firm and fitted it myself which was a pain in the arse as my pipes had corroded where the pipe goes over the suspension - very difficult to get to as i didn't have access to a ramp.The first pipe i used wasn't strong enough and burst very shortly after due to the high pressure in the system.I used jubillee clips to secure the hose which was ok but not ideal.The garage i'm using at the moment reckon that it is possible to replace sections of the pipe and if i have problems with my 944 i'll use this option rather than using the hose again.I think douglas valley breakers have decent used fuel lines for about 60 pounds though.

strath44 04-16-2005 12:09 AM

thanks will get on to DV today!


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