fearofweapons Posted March 19, 2023 Share Posted March 19, 2023 Hi, My fuel spill return pipes are leaking where the old rubber meets the metal pipes from the banjo bolts. I was just going to order up some cotten braided fuel hose and cut to length. Can anyone confirm the internal diameter please? Is it 1/8" ID - 3.2mm x 7mm? My return pipe assy is the later type Err3652. Cheers Richard Quote Link to comment Share on other sites More sharing options...
western Posted March 19, 2023 Share Posted March 19, 2023 I got a length of hose from Halfords when I did my engine rebuild, can't remember the I/D but think it was the 6mm hose https://www.halfords.com/motoring/tools/garage-equipment/fuses-electricals-fixings/halfords-fuel-hose-6mm-hfh401-316455.html Quote Link to comment Share on other sites More sharing options...
miketomcat Posted March 20, 2023 Share Posted March 20, 2023 I'm fairly sure the ID is 3mm, buy more than you need because you'll be replacing them again in a year or two. Mike Quote Link to comment Share on other sites More sharing options...
Retroanaconda Posted March 20, 2023 Share Posted March 20, 2023 1/8” rings a bell. Make sure it’s proper fuel grade hose, it’ll last longer - but still fail eventually as Mike notes. Quote Link to comment Share on other sites More sharing options...
Snagger Posted March 20, 2023 Share Posted March 20, 2023 3.something mm from Halfrauds works well. I have used that braided hose a few times for this purpose with great results. It’s eventually rots out too, so if you have a local hydraulics specialist, you could ask them for something better quality. Quote Link to comment Share on other sites More sharing options...
reb78 Posted March 20, 2023 Share Posted March 20, 2023 I carry a short length in the toolbox in the car these days as it seems everything is such poor quality! I cant remember the spec - like Ralph, I think some of mine came from Halfords as I needed it in a rush and have a trade card. 1 Quote Link to comment Share on other sites More sharing options...
fearofweapons Posted March 20, 2023 Author Share Posted March 20, 2023 Thanks everyone. I bought a length of this... https://www.ebay.co.uk/itm/140645698414 Quote Link to comment Share on other sites More sharing options...
Peaklander Posted March 20, 2023 Share Posted March 20, 2023 One of the ends on mine suddenly started leaking on a long drive to the Plymouth ferry last year. By the time we got to the next rest halt and realised what was happening, the engine was getting a good spray. Someone on here, @cackshifter I think, suggested reinforcing the ends with heat-shrink, which reminds me... 1 Quote Link to comment Share on other sites More sharing options...
Snagger Posted March 21, 2023 Share Posted March 21, 2023 On 3/20/2023 at 4:29 PM, reb78 said: I carry a short length in the toolbox in the car these days as it seems everything is such poor quality! I cant remember the spec - like Ralph, I think some of mine came from Halfords as I needed it in a rush and have a trade card. Same. I keep the remainder of the roll in the cubby box. Quote Link to comment Share on other sites More sharing options...
Sigi_H Posted March 21, 2023 Share Posted March 21, 2023 (edited) My recomendation: Use 6mm PA hose. It is almost stiff like a tube and will last "for ever". I made the ends hot and pushed them over. I always had problems with any kind of fuel hose. The probs are gone since years, since I use the black Polyamide tube. It is used for centralised greasing systems for trucks. Edited March 21, 2023 by Sigi_H Quote Link to comment Share on other sites More sharing options...
toenden Posted March 23, 2023 Share Posted March 23, 2023 I normally use festo 6/4 silicone airhose. Works a treat, is clear so diesel/air is a obvious and lasts very well. As a bonus it can be used as breatherpipe on axles/gearbox and that way you always carry a spare piece of pipe aswell. /mads Quote Link to comment Share on other sites More sharing options...
Snagger Posted March 23, 2023 Share Posted March 23, 2023 On 3/21/2023 at 8:47 PM, Sigi_H said: My recomendation: Use 6mm PA hose. It is almost stiff like a tube and will last "for ever". I made the ends hot and pushed them over. I always had problems with any kind of fuel hose. The probs are gone since years, since I use the black Polyamide tube. It is used for centralised greasing systems for trucks. The OP is talking about the small diameter braided hose between each injector, much smaller than 6mm, but for other hoses that crack or split, I’ll remember your tip. Quote Link to comment Share on other sites More sharing options...
Nonimouse Posted March 23, 2023 Share Posted March 23, 2023 Mercedes Benz OM617 vacuum hose - rigid, but flexible and fits Quote Link to comment Share on other sites More sharing options...
hurbie Posted March 23, 2023 Share Posted March 23, 2023 9 hours ago, Snagger said: The OP is talking about the small diameter braided hose between each injector, much smaller than 6mm, but for other hoses that crack or split, I’ll remember your tip. 6mm is the outside diameter , with a wall thicknes of 1 (hence the 6x1 size) you end up with 4mm inside ... maybee just tight enough to fit over the little bulge in the spill rail. 1 Quote Link to comment Share on other sites More sharing options...
toenden Posted March 23, 2023 Share Posted March 23, 2023 55 minutes ago, hurbie said: 6mm is the outside diameter , with a wall thicknes of 1 (hence the 6x1 size) you end up with 4mm inside ... maybee just tight enough to fit over the little bulge in the spill rail. Exactly! 4mm inside. Works very well on both mine 🙂 /mads Quote Link to comment Share on other sites More sharing options...
fearofweapons Posted March 31, 2023 Author Share Posted March 31, 2023 Thanks to everyone who responded. In the end I bought a length of https://www.ebay.co.uk/itm/140645698414. I gently warmed the ends, after cutting to correct lengths, and the new pipe slipped on nicely. It's a nice snug fit. No leaks yet! Cheers, Rich T Quote Link to comment Share on other sites More sharing options...
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