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Diesel injection leak

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ju2f View Drop Down
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    Posted: 01 Mar 19 at 17:29
Hi Guys,

I have a VW T3 1.6 TD from 1986 that I bought a month ago.
I have a fuel leak on my injection and a lot of fuel leaking on the engine and the floor it really smells!
I don't really know if it's coming from the return hoses or the injectors.
It seems to me the hoses a really lose, I can unplug them simply by pulling gently. should it be more "attached"?
Do you have any recommendation / diagnostic steps to solve this problem? 

Photos :

Thanks,

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912 View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote 912 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Mar 19 at 17:43
Replace those little black pipes, they are leak off pipes, about £6 for a set from
A local motor factors eBay etc, check the injector pipe is fully tight too
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ju2f View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ju2f Quote  Post ReplyReply Direct Link To This Post Posted: 01 Mar 19 at 21:46
Hi 912,

Just bought a meter of leak off pipes on Justkampers. I'll clean, replace and test that next week.
I'll post an update here

Thanks!
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ju2f View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ju2f Quote  Post ReplyReply Direct Link To This Post Posted: 01 Mar 19 at 22:02
Just got a question. All injectors are linked with the leak off pipes.
So my understanding is that on each injector there is an input and an output leak off, right?
And the last has a pipe back to the fuel tank.

If you have any documentation on that that would be great.

thanks,




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Timjburrows View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Timjburrows Quote  Post ReplyReply Direct Link To This Post Posted: 01 Mar 19 at 23:04
The one nearest to cam belt has a blank in it or a piece of pipe with something pushed in to blank it,then they are looped from one to the next,the last one normally returns back to the injector pump then returns back to the tank
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RogerT View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RogerT Quote  Post ReplyReply Direct Link To This Post Posted: 03 Mar 19 at 17:47
Engine looks quite clean anyway!
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ju2f View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ju2f Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 19 at 17:43
Hey guys,

Finally changed it with better fuel hoses :
https://photos.app.goo.gl/JRGrUuMRjhKTPwWh9

As you can see on the pictures the previous one were too wide and therefore leaked fuel.

Thanks for your help !
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ju2f View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ju2f Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 19 at 17:49
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