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#45
by
RabbitJockey
on 29 Aug, 2013 19:19
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I bought a pump off ebay that wasnt full of anything or sealed up, i let it sit basically emptyfor 2-3 years and then put it on my car and its been on there for a few years now too haha
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#46
by
8v-of-fury
on 29 Aug, 2013 19:24
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You got extremely lucky the seals didn't shrivel and leak. lol
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#47
by
92EcoDiesel Jetta
on 29 Aug, 2013 20:33
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You got extremely lucky the seals didn't shrivel and leak. lol
Is that what usually happens to a pump that sat for a long time? Maybe it has something to do with the low mileage (60k) and that it was full of fuel?
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#48
by
8v-of-fury
on 29 Aug, 2013 20:54
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If the seals are original they will need replacing very shortly now that you are running them trough ULSD.
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#49
by
92EcoDiesel Jetta
on 29 Aug, 2013 22:46
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Why 2 cycle oil? High sulfur diesel was in there for 14 years and the IP is fine. Does low sulfur diesel go rancid faster?
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#50
by
ORCoaster
on 29 Aug, 2013 23:28
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I think the ULSD does go bad sooner. The sulfur would act as a preservative or at least like an anti bacterial agent.
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#51
by
745 turbogreasel
on 30 Aug, 2013 05:26
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It's worse than that, sulphur diesel conditioned the seals in a certain way that kept them swelled up, and the super low aromatic content of ULSD pulls that conditioning out causing the seals to shrink and crack. it's not that ULSD makes it leak, it is the act of switching.
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#52
by
92EcoDiesel Jetta
on 30 Aug, 2013 09:23
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How else would you observe them while running it, if he was not in fact meaning external? Lol.
Could be an oil one too, it'd be hard to see with water squirting all over.
Revisiting this one, external head gasket coolant leaks can be easily found with a pressure test.
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#53
by
92EcoDiesel Jetta
on 30 Aug, 2013 09:42
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I was surprised at how quiet the engine was with no muffler or resonator, just the turbo mounted to the exhaust manifold.
I really think this engine has only 60k miles. The engine sounds great. No play on the intermediate shaft. The OE clear nylon fuel lines are completely clear.
click to play if you haven't heard it already
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#54
by
92EcoDiesel Jetta
on 31 Aug, 2013 12:49
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[quote author=92EcoDiesel Jetta .............
..........
I had a hell of a time priming the injection pump. The injector hard lines were off on the first attempt and no matter what I tried could not get the IP to suck fuel. I tried using a Mityvac on the return barb to fill the IP, then tried filling it with a funnel via the return banjo pedestal, but cranking the engine would not suck fuel from the fuel bottle into the IP, and only the the 2 lower delivery valves had fuel squirting out of them (one squirted a little more than the other), the other 2 delivery valves had nothing coming out of them. I thought the IP or transfer pump was gunked up from sitting for 14 years or the pump has a leak and needs resealing. I was ready to pull the pump then said to myself it's worth a try putting the injector hard lines on for another attempt. It's not that much more work and will save me from pulling the IP (and opening a can of worms) if it works.
It worked!
[/quote]
Any comments as to why I could not get the IP primed and suck fuel with the injector hardlines off? And why only the lower two delivery valves were squirting out fuel? It was only after I installed the injector hardlines that it primed easily and ran.
I remember reading about someone else with a similar problem recently.
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#55
by
92EcoDiesel Jetta
on 03 Sep, 2013 16:46
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Just from running the engine for approx 2 to 3 minutes brought the cold compression reading of cyl #1 from 309 psi to 420 psi.
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#56
by
92EcoDiesel Jetta
on 03 Sep, 2013 16:50
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I mixed in some 2 stroke oil into the bottle ran it for 30 seconds, capped the IP in/out, drained the water and filled it with antifreeze and capped the ports, put engine at TDC, ready for storage.
CLICK TO PLAY!
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#57
by
Toby
on 21 Sep, 2013 01:04
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FWIW don't worry about the compression at this point. The compression will almost certainly come up and level out after it has run a while. I have probably brought a hundred vehicles back to life after they were abandoned by someone else and they "need to get used to runnin" again" as the old guys used to say.
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#58
by
8v-of-fury
on 21 Sep, 2013 10:59
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Had that a few times too Toby.
