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The rear section of my petrol feed pipe on my '89  3.2  is rusty and leaking (Just above the gearbox mounting bracket).  Couldn't believe that I  maybe  looking at an "engine out job" to replace it!   But  I see a glimmer of hope from a suggestion to fit a flexible made-up fuel pipe instead.  I called at my local Pirtek pipe makers, and they seemed happy to make up a new flexi-pipe replacement, if I brought the original end fittings in.  Has anyone else gone down this cheaper and hopefully much easier route?  If so, I'd much appreciate your feedback, before I have a go, and perhaps find out the hard way that it wasn't such a good idea after all!   Thanks for any help guys,  Rob.         

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Mines a 1980 3.0 so I'm not sure what the differences are.

My rear 2 rigid pipes were rotten and I asked Pirtek if they could make pipes. They said it wasn't straight forward as the thread is not something they carry.

We could use the old pipe ends but they would need the front to rear flexi pipes to form an end on the new pipe. No problem as I was buying new flexis anyway.

Long story short - the guy said it could be done but wouldnt be much cheaper than I was going to pay for new rigid pipes from porsche due to the amount of time he'd have to spend. He also said he'd have to make an adaptor up to pressure test the pipes.

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Cheers for that Craig.  My main concern is to make it easier to fit the new rear petrol feed pipe, by having a flexible pipe made up.  As I believe it is a real ball-ache of a job to fit original rigid pipes without dropping the engine.  How did you go on? 

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Not familiar with the replacing the fuel lines, but is it possible by just lower the gearbox end of the engine to improve access?  i.e. Raise the car on axle, disconnect the gear linkage, slightly loosen the engine mounts, support the gearbox end on a jack, remove mounts and lower.  This is how you can remove the starter motor on a G50 and what I did when change the starter.  Access to that area is much improved.

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Thanks Nige,  at the moment I've got the back end jacked up and both ends of the knackered fuel pipe disconected, but can't suss how the hell to remove it through the bulkhead or fit a new one, original or flexi!  I can't see how lowering the gearbox will help (but you may be right).  Has anyone managed to do this job with the engine in?   

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Have not done this with engine in either.From memory if you remove the cassette console ,there is a through hole for pedal rods and linkages.Might not get any purchase on the pipe,but should be able to see route.

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Isn't the general chat on Pelican that it can (only) just be done with the engine in.

If you take that to mean using factory parts then introducing other variables (non rigid fuel line) seems to mean no way of knowing whether it will be easier or harder (than "hard"!).

 

 

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Thanks for the Pelican reference. A guy on their forum gives a convincing breakdown of how he replaced the rear fuel pipes on his 3.2 without dropping the engine. It's actually the return fuel line gone on mine, connected to the front of the left hand fuel rail (not the feed pipe, as I first thought).  I'm leaning towards buying an original replacement pipe now.  But will have a go at getting the old one out first, and see how awkward it looks to get a new rigid pipe back in. 

Thanks again guys, any further tips or advice will be greatfully received.

What a lovely way to spend this gorgeous bank holiday weekend!  I think I'm getting too old for crawling underneath filthy old cars!          

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  • 2 weeks later...

Just to finish my story on this topic.  I bought a new fuel return pipe from Porsche main dealers in Wimslow for £85 (£40 cheaper than an independant specialist!)  Then managed to replace the old pipe by just removing the heater blower fan in engine bay, and  removing the gearbox support bracket to get access to the front pipe conection.  It was a pig of a job, but no where near as  bad as I'd feared, and certainly didn't warrant an engine out.  Thanks for your replies. I'm back on the road and back in love with the ode 9!

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