Ss1 Ti fuel hoses again

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Ss1 Ti fuel hoses again

Post by Rattling » Sun Feb 17, 2019 10:47 am

Hi all having replaced most of them the ones I haven't had replaced have now started to leak,can someone tell me how long are the hoses from the fuel pump forward to engine and the return pipes are please :D


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Ss1 Ti fuel hoses again

Post by scimjim » Sun Feb 17, 2019 12:08 pm

The main run is nylon pipe with flexible rubber either end.


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Ss1 Ti fuel hoses again

Post by Rattling » Sun Feb 17, 2019 1:15 pm

scimjim wrote:
Sun Feb 17, 2019 12:08 pm
The main run is nylon pipe with flexible rubber either end.
Thanks Jim ,does the nylon pipe usually need replacing at the same time ? Is it proofed against today fuel ? Lastly why is it a pig of a job as everyone says it is,I've not looked underneath as yet ! Sorry for all the questions :D


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Ss1 Ti fuel hoses again

Post by Ford » Sun Feb 17, 2019 1:50 pm

The nylon pipe is fine to still use, however the join between that and the rubber hose at the front is above the gearbox and a bit of a faff to access. I replaced mine with longer pieces that moves that join into the engine bay behind the engine which seems more sensible.

You can unclip the nylon pipe and pull it down to access, but it's up to you. The new pipes weren't very expensive at all, 2m is barely long enough for mine (might be different on an 1800ti)


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Ss1 Ti fuel hoses again

Post by Rattling » Sun Feb 17, 2019 2:57 pm

Ford wrote:
Sun Feb 17, 2019 1:50 pm
The nylon pipe is fine to still use, however the join between that and the rubber hose at the front is above the gearbox and a bit of a faff to access. I replaced mine with longer pieces that moves that join into the engine bay behind the engine which seems more sensible.

You can unclip the nylon pipe and pull it down to access, but it's up to you. The new pipes weren't very expensive at all, 2m is barely long enough for mine (might be different on an 1800ti)
Ford many thanks ,I'll get 3m just in case !


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Ss1 Ti fuel hoses again

Post by Ford » Sun Feb 17, 2019 3:25 pm

Hose ID are 1/4" and 5/16" for return and feed (6.35mm and 7.935mm)
I got 1/4" and 8mm OD nylon, cost about £8 for 2m of each (if I did it again I'd get 3m though)


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Ss1 Ti fuel hoses again

Post by scimjim » Sun Feb 17, 2019 3:40 pm

From my thread
scimjim wrote:
Sun Dec 16, 2018 12:35 pm
Just for future reference, standard nylon fuel pipes are 185cm long. I fitted approx 280mm of replacement pipe (extra mainly at the front) to allow for a bit of trimming.


Jim King

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Ss1 Ti fuel hoses again

Post by Rattling » Sun Feb 17, 2019 4:09 pm

Ford wrote:
Sun Feb 17, 2019 3:25 pm
Hose ID are 1/4" and 5/16" for return and feed (6.35mm and 7.935mm)
I got 1/4" and 8mm OD nylon, cost about £8 for 2m of each (if I did it again I'd get 3m though)
Ford many thanks for that information,I'll get on and order some and thanks to Jim too


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Ss1 Ti fuel hoses again

Post by old bean » Mon Feb 18, 2019 11:42 pm

If it's a Ti, make sure you have some form of flare or barb on the nylon fuel inlet line as it's high pressure and likely to blow a rubber hose off a smooth standard nylon line.



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Ss1 Ti fuel hoses again

Post by reliant-reviver » Tue Feb 19, 2019 6:47 am

Properly secured hose on plain nylon pipe is fine and was the original method on the majority of 1800ti.


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Ss1 Ti fuel hoses again

Post by Corky » Tue Feb 19, 2019 7:42 am

Having had one work loose when a clip failed, I usually push the nylon hose about 3-4” inside the rubber hose and secure with two hose clips (pre filter). You don’t need to worry too much about the 6mm return side as there’s very little pressure after the regulator.


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Ss1 Ti fuel hoses again

Post by Rattling » Tue Feb 19, 2019 8:03 am

Old Bean , Philip,Steve, many thanks for the above advice,when I looked at the parts book I thought there was some sort of connector,is it just a push fit and clamp then ?


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Ss1 Ti fuel hoses again

Post by reliant-reviver » Tue Feb 19, 2019 8:28 am

Reliant decided that was money wasted about a year or two into production. It's a brass compression fitting and hose tail barb.

Proper clips, band clamp / ear clips are a good idea. Worm drive are not at all suitable. The original green and blue spring clips are actually very effective but will not work with modern thicker wall hose.

By all means go for compression fittings, but it is in my view not necessary.


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Ss1 Ti fuel hoses again

Post by Corky » Tue Feb 19, 2019 8:30 am

Yes, the nylon pipe simply pushes inside the rubber hose and is secured with a clip. On my car, I have also used a push in brass end which helps prevent the nylon pipe from being crushed by the clip. Not essential, but came with the kit so I used it.


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Ss1 Ti fuel hoses again

Post by Rattling » Tue Feb 19, 2019 9:13 am

reliant-reviver wrote:
Tue Feb 19, 2019 8:28 am
Reliant decided that was money wasted about a year or two into production. It's a brass compression fitting and hose tail barb.

Proper clips, band clamp / ear clips are a good idea. Worm drive are not at all suitable. The original green and blue spring clips are actually very effective but will not work with modern thicker wall hose.

By all means go for compression fittings, but it is in my view not necessary.
Thanks Philip, I've had all the pipes replaced around the engine compartment and had all the clamps renewed with proper band clips a while ago,some time after a leak started at the fuel sender caused by worm drive clip eating into the pipe and splitting it ,it was the day before its mot so I let the mot guys 'fix' it they replaced the pipe and used worm clips :w !
These are now the only two pipes to replace ,many thanks for the advice.


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