What diameter is the plastic fuel line on a LR diesel - Defender Source
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  #1  
Old June 23rd, 2010, 09:05 PM
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What diameter is the plastic fuel line on a LR diesel

I need to repair a cut in a line and the repair kits are all based on sizes and they are so close it is tough to measure.
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  #2  
Old June 23rd, 2010, 09:27 PM
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When I did mine ACE hardware had the parts to splice the line in the plumbing section, just take down the cut off part with you and it is easy to figure out from there.

sorry I do not remember the size
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Old June 23rd, 2010, 09:30 PM
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Ok thanks.

I ordered some 5/16ths on ebay so hopefully that works. I have some rubber line over it now but that is a temporary solution.
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  #4  
Old June 23rd, 2010, 09:50 PM
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William Skidmore
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I wouldn't use hardware store hoses for fuel line purposes, it's just as easy to take a sample with you to a auto store and cut off a length of proper grade of rubber hose.
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Old June 23rd, 2010, 09:56 PM
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That is just the thing. It is a nylon line so a rubber patch will not cut it.
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Old June 23rd, 2010, 10:03 PM
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That is just the thing. It is a nylon line so a rubber patch will not cut it.
I just replaced the whole thing with rubber fuel rated hose from NAPA. People say it's not good for Biodiesel, but I don't care, and you don't have to deal with the plastic crimping and getting brittle either.
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Old June 23rd, 2010, 11:07 PM
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So what you did was cut the nylon off completely and run rubber from steel to steel with clamps?
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  #8  
Old June 23rd, 2010, 11:26 PM
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IIRC, its 8mm on my tdi, so 5/16 should be right on. Of course this is for your early truck, so heaven only knows whats on that thing.
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Old June 24th, 2010, 12:01 AM
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So what you did was cut the nylon off completely and run rubber from steel to steel with clamps?
Exactly. Looks a lot cleaner too.
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Old June 24th, 2010, 12:18 AM
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Ok, this sounds like a winner buck. It is not the the diesel runs at high pressure.

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Old June 24th, 2010, 12:23 AM
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I did the same thing Buck did. Cut the old plastic fuel line off and use good 5/16 rubber fuel line with nice zebra hose clamps. 8 years and 100K later and no issues.

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Old June 24th, 2010, 12:26 AM
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Sweet, thanks. Looks like I wasted $9 on ebay, but whatever.
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Old June 24th, 2010, 12:58 AM
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Quote:
Originally Posted by airbornrover View Post
I wouldn't use hardware store hoses for fuel line purposes, it's just as easy to take a sample with you to a auto store and cut off a length of proper grade of rubber hose.
Just to clarify I did not use hose or tube from the hardware store, I used some brass couplings to join the old 2.5 fuel line to the 200tdi fuel line.

Rover also offers the little brass bits, but the ones from ACE worked just fine and I did not want to wait to get them from the UK

STC935 2.32 connector
STC936 0.26p olive
STC937 0.65p nut
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  #14  
Old June 24th, 2010, 11:00 AM
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Most of the fuel line is 3/8". Some is 5/16". It is all nylon. Nylon tubing is the best thing to use for fuel line. Much better than hose plus it is very cheap and easy to find.....

When using compression fittings, make sure you use an internal sleeve.
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  #15  
Old June 27th, 2010, 06:32 PM
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Originally Posted by evilfij View Post
Sweet, thanks. Looks like I wasted $9 on ebay, but whatever.
Let me guess, this $9 piece of fuel line on ebay.co.uk was attached to a tattered zebra stripe 1983 2.5NA 90 that comes with the purchase of the line.
Delivery sometime next month?
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  #16  
Old June 27th, 2010, 11:09 PM
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Let me guess, this $9 piece of fuel line on ebay.co.uk was attached to a tattered zebra stripe 1983 2.5NA 90 that comes with the purchase of the line.
Delivery sometime next month?
LOL no. It was 6 barb fittings shipped. I bought some regular fuel line but the whole thing is nylon way far back so I now have plan D or so which is a new lift pump. The lift pump supersedes (how many people spell this word correct) to the 200tdi part and it comes with the fittings to adapt to the factory line. $67 at rovahfarm and doug says the lift pump was not pulling fuel so ....



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  #17  
Old June 27th, 2010, 11:21 PM
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I really do not understand why people are scared of the nylon tubing. It is available everyone and costs nothing. Most of the connections are simply heat slid over steel tubing. All that you need to do is lube the tube, heat the steel tubing and slide the nylon on when it gets hot enough to be formable. The stuff is cheap and easy to work with.
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  #18  
Old June 27th, 2010, 11:23 PM
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I really do not understand why people are scared of the nylon tubing. It is available everyone and costs nothing. Most of the connections are simply heat slid over steel tubing. All that you need to do is lube the tube, heat the steel tubing and slide the nylon on when it gets hot enough to be formable. The stuff is cheap and easy to work with.
I fear everything that is not galvanized steel.

Seriously, I need the lift pump anyway and it kills two birds with one stone.
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