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Author Topic: Replacement fuel tank filler hose for Coupe  (Read 354 times)
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Gromit
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1979 Coupe 2000


« on: December 10, 2017, 01:49:35 AM »

We have to remove the fuel tank of my father`s 79 S2 Coupe to repair cracks in the under-body box sections that support the front fuel tank mounting points.

The existing fuel tank inlet flexible rubber hose between the filler neck and the side of the tank is very spongy and probably not going to last much longer. I assume it is the original one although it seems to have more bends than strictly necessary.

Has anyone replaced their fuel tank filler hose? Any thoughts re sources to find a suitable replacement? The one on the car is a moulded type with several elbows. It seems a bit of a convoluted arrangement. I presume that original replacement ones will be hard to come by. Has anyone found a suitable alternative make or model substitute perhaps? Or do people just get a pipe bending magician to custom fabricate something out of metal? Can you buy the stuff by the metre with the correct diameter and get it to custom fit if it is sufficiently flexible? Or does it need to be moulded with the correctly located bends to fit?

I shall contact some local suppliers in Australia next week but thought I would tap into the collective forum brains trust first in case somebody has already found a good solution or supplier.

Cheers,
Andrew





« Last Edit: December 10, 2017, 10:26:39 AM by Gromit » Logged

Family Italian car fleet: 1979 Beta Coupe 2000, Fiat 124 Spyder (and a 2007 Fiat Punto!)
HFStuart
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« Reply #1 on: December 10, 2017, 11:20:35 AM »

Interesting  - on my 78 Spider the filler hose is metal to about 10 cm of the tank and then joined by  straight piece of hose. I don't know what the Coupe is supposed to have but it would be off to have a metal piece for one version and rubber for another. Hopefully a couple expert can enlighten you.

Stuart
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rossocorsa
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« Reply #2 on: December 10, 2017, 01:13:50 PM »

Australia specific parts! See below
https://photos.app.goo.gl/R0plKfe26X55z85z1
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HFStuart
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« Reply #3 on: December 10, 2017, 01:37:12 PM »

Sometimes I'm amazed Lancia kept going as long as it did! Unless there's a legislative reason for the change why would you do that?

The best solution then is probably to get a steel filler from a euro spec car.
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rossocorsa
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« Reply #4 on: December 10, 2017, 01:44:50 PM »

Sometimes I'm amazed Lancia kept going as long as it did! Unless there's a legislative reason for the change why would you do that?

The best solution then is probably to get a steel filler from a euro spec car.

It'll be emissions legislation, something to do with restricting fuel vapour leaving the tank
« Last Edit: December 10, 2017, 10:53:42 PM by rossocorsa » Logged
Gromit
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1979 Coupe 2000


« Reply #5 on: December 10, 2017, 02:40:17 PM »

Thank you for posting the Lancia parts catalogue fuel tank exploded diagram and part numbers rossocorsa. Much appreciated. Smiley

I noticed that there are two different part numbers specified for the filler hose (or sleeve as it is referred to in the parts catalogue): #82332076 for the Berlina/HPE and #82334090 for the Coupe. Presumably that means that there are two different versions of the filler hose with different dimensions for the Berlina/HPE and Coupe models? I`ll have a look under the Coupe tomorrow to see how closely the actual hose resembles the one in the exploded diagram.
« Last Edit: December 10, 2017, 02:45:14 PM by Gromit » Logged

Family Italian car fleet: 1979 Beta Coupe 2000, Fiat 124 Spyder (and a 2007 Fiat Punto!)
peteracs
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« Reply #6 on: December 12, 2017, 12:14:07 AM »

Looking at the catalogue, it looks like the whole fuel tank and pipe work are specific to the Australian version as my tank and pipes are somewhat simpler configuration.

Peter
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Gromit
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1979 Coupe 2000


« Reply #7 on: December 12, 2017, 02:22:50 AM »

Here are some pics of the crack in the box section of the Coupe near the fuel tank front attachment points: driver`s side first, passenger side second and thirdly a pic of the existing fuel filler hose. The size and sag on the driver`s side crack looked much worse before the tank was supported with a piece of thick walled hose wedged against the centre of the rear cross member as a temporary fix.

Note wiring to priming electric fuel pump mounted above rear cross member mentioned in another thread (reply #12):

http://www.betaboyz.myzen.co.uk/forum/index.php?topic=3224.0

« Last Edit: December 12, 2017, 03:05:44 AM by Gromit » Logged

Family Italian car fleet: 1979 Beta Coupe 2000, Fiat 124 Spyder (and a 2007 Fiat Punto!)
Gromit
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1979 Coupe 2000


« Reply #8 on: December 12, 2017, 03:02:56 AM »

Existing fuel filler hose pic would not fit in previous post. The Coupe hose does seem to be a different shape (pronounced U shape in middle section) to the HPE/Berlina one as shown in the fuel tank exploded diagram. So presumably they are distinctly different shaped hoses and not interchangeable as suggested by the different part numbers. Here it is:


* Lancia Beta Coupe fuel filler hose.jpg (432.63 KB, 800x600 - viewed 74 times.)
« Last Edit: December 12, 2017, 01:01:36 PM by Gromit » Logged

Family Italian car fleet: 1979 Beta Coupe 2000, Fiat 124 Spyder (and a 2007 Fiat Punto!)
Gromit
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1979 Coupe 2000


« Reply #9 on: December 12, 2017, 01:11:33 PM »

I came across this filler hose purporting to be suitable for "Lancia Beta Coupe All" but the quoted OE Lancia part number is actually for the Berlina/HPE and not the Coupe as per the Australian Export variant parts catalogue extract kindly supplied by rossocorsa in this thread.

https://www.midwest-bayless.com/LANCIA-BETA-0_p-8112-82332076-oe-fuel-filler-neck-hose-lancia-beta-coupe-all-oe-nos.aspx

In any case the $144.79(USD) asking price in the listing above is absurdly expensive. I think that we will probably end up making something fit out of one or two universal type fuel filler hoses with a straight section of metal pipe as needed. I have seen a few Gates fuel filler hoses of varying diameters and elbow configurations.

http://www.gatesaustralia.com.au/products/automotive/passenger-car-and-light-truck/fuel-system/45-degree-and-90-degree-fuel-fill-hose

Or perhaps even something like this corrugated hose if it is sufficiently flexible?

http://www.gatesaustralia.com.au/products/automotive/passenger-car-and-light-truck/fuel-system/fuel-fill-hose


« Last Edit: December 12, 2017, 01:29:51 PM by Gromit » Logged

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HFStuart
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« Reply #10 on: December 12, 2017, 01:16:33 PM »

I wonder if that's a previous repair to the tank mounts that's given way.

They do tend to shear off if they're not undone with care
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Gromit
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1979 Coupe 2000


« Reply #11 on: December 12, 2017, 01:24:35 PM »

The crack on the driver`s side is in the under body box section not the mounting lug attached to the tank. The tank mounting lug on the passenger side does look a bit suspect though although the box section on that side is also definitely cracked.
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peteracs
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« Reply #12 on: December 12, 2017, 03:52:10 PM »

Hi

Any chance it was caused by a rear end shunt at some point in time?

Peter
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Saab 9-3 1.9Tid Cabrio
Gromit
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1979 Coupe 2000


« Reply #13 on: December 12, 2017, 04:15:34 PM »

The fuel tank got a rear end shunt from a Neanderthal with a truck trolley jack at an automotive brake servicing workshop when my father was living in Canberra some years ago. Apparently the idiot was planning to "jack up the diff" and managed to crash into the back of the tank with it before dad was able to intervene and tell him that it was a f*#king FWD car with no rear diff! That particular workshop had been run by a very competent foreman but apparently he left or retired and things went downhill rapidly staff competency wise. Needless to say the car never went back there after that fiasco. It put a dent in the back of the tank and perhaps might have been enough to bring about the start of the stress cracks in the box sections near the tank front mount points? Dad recounted this little historical legacy when we were trying to establish the cause of the cracking. Although the rear mounting points do not appear to have any cracking in the box sections.

The car has not been in any other road type accident during my father`s ownership (past 27 years), but I guess we don`t know definitively whether there was a rear shunt in the first decade of ownership by someone else.

There are also a couple of dents in the front driver`s side corner of the fuel tank, the origin and cause of which has not been established.

The car was shipped on a drive on covered (enclosed) transporter from Canberra to Adelaide back in 2011. They were a large professional car transporting company (CEVA) and there was no visible damage when it was unloaded in Adelaide (although we never gave it an under body inspection post delivery). The same company also transported the Fiat 124 Spyder without incident.
« Last Edit: December 12, 2017, 04:48:00 PM by Gromit » Logged

Family Italian car fleet: 1979 Beta Coupe 2000, Fiat 124 Spyder (and a 2007 Fiat Punto!)
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