My last injector line always leaks, any help would be appreciateded.
300TD

I would be more suspicious of the small return lines on the injector. They harden with age and no longer seal as they should. Pretty cheap fix with one meter of line capable of many replacements. Don't forget the small plug in the end of the last one.

Normally, if it is an injector or line, the diesel fuel would be "everywhere" due to the high pressure. If you have ever forgotten to tighten one down, after working in the area, you will know what I mean.

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Sam

84 300SD 350K+ miles ( Blue Belle )

"injector leaks" is rather general, from where?

Also, the car's year is important so that we know what engine you have.

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Gone to the dark side

- Jeff

What SD Blue said. Every time I think an injector is leaking, it turns out to be the return line. Last time I balanced the injectors, I tore one back out because I thought I had a leak. The return line was only a couple of months old, but that was the culprit. I replaced the line, and then it happened again in another few months.

For some reason, new line is just not lasting very long on my engine.

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1981 300TD 310k miles
1970 280sel 172k miles
1966 230 Fintail 162k miles

"Where are we going? And why am I in this hand basket?"

Just replaced the return lines after many months of suspected "leaking injectors" Fixed
This is the 2nd time I have done the return lines in 3 years 30k miles

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily