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Turbocharger Damage - Driven without oil

 
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gullianderle
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Post18-12-2011, 17:10    Subject: Turbocharger Damage - Driven without oil Quote

I have a problem with a Ford Galaxy with an AUY engine. The owner drove with the faulty turbocharger until the engine died. Although the oil pressure warning light was lit, it was ignored. The vehicle had no more power.
The turbocharger is clearly defective. What else should I check and replace besides the turbocharger? Perhaps the main bearings or the connecting rod bearings? Or should I just verschandeln the oil lines of the turbocharger, replace the turbo, fill with oil, and start it up again?


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chli1976
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Post18-12-2011, 18:39    Subject: Turbocharger Damage - Driven without oil Quote

Is the engine still running?

Remove the oil pan and first check the connecting rod bearings. If they are okay, I don't think it's a problem with the main bearings, but of course, I can also check them at this point.
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Steffen G
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Post18-12-2011, 19:19    Subject: Turbocharger Damage - Driven without oil Quote

Hello!

Alternatively:

I just took a quick look, and it seems there are plenty of used engines available for around €1000, from dealers.
(Warranty!)
If the turbo generated shavings,
verschandeln the air intake, install a new LLK.
and then it should be finished.

If the engine was properly tightened, which seems to be the case,
I think he's past it.
That's at least my experience with engines that were run dry until they seized.
Grüße, Steffen!

Golf 4 TDI,
T4 Doka-Pritsche, paar Oldtimer


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gullianderle
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Post18-12-2011, 19:42    Subject: Turbocharger Damage - Driven without oil Quote

The engine can be over-revved and has good compression. In my opinion, the crankshaft or connecting rod bearings are the weakest points, especially when operated without sufficient oil pressure.


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Steffen G
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Post18-12-2011, 20:03    Subject: Turbocharger Damage - Driven without oil Quote

Hi!

Well, there's still hope.

Could you take a look at the {OBJECT} as well, as mentioned before.
In that regard, what I observed was that there was one particular stick that was firmly in place.
That's what you immediately noticed, it was like a glazed or had color variations.
In the second case, the crankshaft pierced the engine casing.
"In the third instance, the piston likely struck the cylinder head, resulting in hundreds of fragments."


One can, at least, try to get the engine running without the turbo, for testing purposes.
And then listen carefully to see if it's running smoothly and evenly, and to check that the exhaust gases look reasonably normal.

What might also be interesting is how the oil residue looks in the engine,
are there metal particles inside.
Grüße, Steffen!

Golf 4 TDI,
T4 Doka-Pritsche, paar Oldtimer


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gullianderle
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Post18-12-2011, 23:09    Subject: Turbocharger Damage - Driven without oil Quote

The propeller shaft bearings are in good condition. When viewed from below, the cylinder walls appear smooth and free of chips. I think the material driver really got lucky!


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Post20-12-2011, 12:48    Subject: Turbocharger Damage - Driven without oil Quote

Quote:
The owner continued to drive with the faulty turbocharger until the engine finally died. The oil pressure gauge was lit up, but it was ignored.


Then, the only thing left to clarify is why the engine has stopped working.

Ehrlich gesagt - bei solchen Dummköpfen würde ich einen kompletten, gebrauchten Motor mit Garantie einbauen. Stell dir vor, nach 4000 km tritt ein versteckter Schaden auf, und der Motor ist kaputt. Then you're the idiot in his eyes, and he's telling everyone about it.
Based on my experience, it is best to offer people with disabilities a costly, but 100% effective repair icon_wink.gif
selber schrauben - statt Werkstattpfusch


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Post20-12-2011, 12:54    Subject: Turbocharger Damage - Driven without oil Quote

Hello,

Quote:
until the engine dies

If the engine wasn't "tight," it may have sucked in a large amount of oil from the intake system. Bent connecting rods can be the result. -> Check compression test and data block 13.

If the ZK is finished/required, measure the piston overhang.

Best regards, Rainer


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gullianderle
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Post22-12-2011, 17:11    Subject: Turbocharger Damage - Driven without oil Quote

I will repair the vehicle this weekend. The idea of using a bit of oil is good. I manually turned the engine over. If there is no oil in the exhaust manifold, I can rule this out.


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Post25-12-2011, 11:40    Subject: Turbocharger Damage - Driven without oil Quote

The engine has now been repaired. I have checked the camshaft bearings. Was, however, could not be determined.
Turbocharger removed and damage analyzed. The turbine wheel broke away from the exhaust side of the shaft and came to rest before the catalyst. This caused the oil to be pumped into the exhaust system.
New turbocharger installed. A 'No Name' turbocharger from China for €460.- including shipping, without using any old parts (Edit Admin: No links to online stores!). It's certainly not the best choice, but the vehicle will probably no longer be owned by the current owner for a long time. Furthermore, it is completely bare.
The vehicle emits a lot of smoke immediately after starting. The oil in the exhaust needs to be burned off first. The engine is running smoothly and has very good performance, just like before the damage.


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Post06-01-2012, 9:41    Subject: Turbocharger Damage - Driven without oil Quote

Two fuel tanks have been blown out. Engine runs smoothly and quietly! No oil leaks detected. There are also no metal shavings in the engine oil.
Happy New Year! icon_lol.gif


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Post06-01-2012, 10:01    Subject: Turbocharger Damage - Driven without oil Quote

gullianderle wrote:
... A "No Name" turbocharger from China for €460.- including shipping, without using old parts (Edit Admin: No links to online stores!). It is certainly not the best choice, but the vehicle will probably not be in the possession of the current owner for much longer. Furthermore, he is completely bare. ...

The buyer will then, in a straightforward manner, also receive information about exactly what is installed?
hg
Herbert
Horch A4 8K CJCD
Golf 7 DDYA
(+ Audi 80 Avant B4 1Z 475Tkm - habe ich vom ersten bis zum letzten Tag gerne gefahren)
(+ Passat Variant 32B CY 400Tkm)


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gullianderle
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Post06-01-2012, 11:33    Subject: Turbocharger Damage - Driven without oil Quote

That's not my problem.


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matthiasTDI96
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Post06-01-2012, 11:38    Subject: Turbocharger Damage - Driven without oil Quote

Hey,

Therefore, the question was likely intended to be:

Does the customer know what they are being sold? I'll just say yes, then!


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Post06-01-2012, 11:54    Subject: Turbocharger Damage - Driven without oil Quote

Of course, the customer knows best. I offered him the €460 version and the original Garrett replacement part for €610. Ultimately, the customer made the decision. The customer is king. Of course, I have listed the pros and cons.
If the car is sold, the new owner doesn't need to know anything about the aftermarket turbocharger. Or perhaps?
But, as I said, it's not my problem.


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Post06-01-2012, 12:10    Subject: Turbocharger Damage - Driven without oil Translating...

[Translating...]

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