Turbo: faulty or not ?

Alexjansen · Jun 20th, 2016, 09:55

Last month I was changing the turbo of an S40 1.9D that had, according to the owner, "a loss of power". So, after removing the said faulty turbo, I inspected it and saw no visible sign of failure. There is absolutely no play in it, and the propellers turn flawlessly on both sides. The turbo itself is nearly new, it was changed in june 2015 and has approximately 10.000km.
Thing is, when I replaced it with the used turbo I got off a dead V40, the problem was then fixed and the car was rolling again. BUT, when I changed the turbo, I had to put extra oil into the engine because level was just below the lowest OK, and I can't remember if there's wasn't something with the turbo exhaust hose...

In short, I'm wondering if the car's problem wasn't due to a lack of oil or a disconnected hose (damn.. I really can't remember), because once again the turbo I took off looks very good, no play, little dirt... and I'm telling myself maybe it can just be refitted after a good cleaning ? or maybe the turbo IS faulty indeed but I just can't see it.
I'd be happy to have your opinion on this. Thanks !

happy diver · Jun 20th, 2016, 10:08

Lucky owner.
Do you think you could pencil me in for Tuesday

Alexjansen · Jun 20th, 2016, 10:16

Pencil you in for tuesday ? what do you mean ?

Alexjansen · Jun 20th, 2016, 12:00

Hey look at what I just found, this tiny broken metal bit running free into the turbo. I just inspected the turbo again and heard a tiny metal sound, so I shook it and this just fell from inside the turbo:

It looks like a blade from one of the shafts of the turbo, BUT, both shafts look OK !

So I really can't see where this tiny bit comes from if it isn't from a shaft. Or maybe there are inner blades inside the turbo that I can't see ?

boyracer996 · Jun 21st, 2016, 10:55

either the turbo is getting jammed by that piece of metal or possibly the vacuum hoses were not in the correct place

Alexjansen · Jun 22nd, 2016, 07:38

Yes maybe that piece of metal just got into the turbo one way or another and was blocking it. But I can't be sure so I don't know if I can take the risk and try that turbo again

boyracer996 · Jun 22nd, 2016, 09:57

replace the core with a new one and your good to go

Jun 20th, 2016, 09:55	#1
Alexjansen Member Last Online: Jan 19th, 2019 11:38 Join Date: Jul 2014 Location: Dijon	Turbo: faulty or not ? Last month I was changing the turbo of an S40 1.9D that had, according to the owner, "a loss of power". So, after removing the said faulty turbo, I inspected it and saw no visible sign of failure. There is absolutely no play in it, and the propellers turn flawlessly on both sides. The turbo itself is nearly new, it was changed in june 2015 and has approximately 10.000km. Thing is, when I replaced it with the used turbo I got off a dead V40, the problem was then fixed and the car was rolling again. BUT, when I changed the turbo, I had to put extra oil into the engine because level was just below the lowest OK, and I can't remember if there's wasn't something with the turbo exhaust hose... In short, I'm wondering if the car's problem wasn't due to a lack of oil or a disconnected hose (damn.. I really can't remember), because once again the turbo I took off looks very good, no play, little dirt... and I'm telling myself maybe it can just be refitted after a good cleaning ? or maybe the turbo IS faulty indeed but I just can't see it. I'd be happy to have your opinion on this. Thanks !

Jun 20th, 2016, 10:08	#2
happy diver Active Member Moment Last Online: Apr 29th, 2023 05:58 Join Date: Jul 2012 Location: Brisbane: perfect for one day, asleep the rest	Lucky owner. Do you think you could pencil me in for Tuesday __________________ 20,000 leagues under the sea diving to adventure in a silent world with my ceiling the waves...Emile

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Jun 20th, 2016, 10:16	#3
Alexjansen Member Last Online: Jan 19th, 2019 11:38 Join Date: Jul 2014 Location: Dijon	Pencil you in for tuesday ? what do you mean ?

Jun 20th, 2016, 12:00	#4
Alexjansen Member Last Online: Jan 19th, 2019 11:38 Join Date: Jul 2014 Location: Dijon	Hey look at what I just found, this tiny broken metal bit running free into the turbo. I just inspected the turbo again and heard a tiny metal sound, so I shook it and this just fell from inside the turbo: It looks like a blade from one of the shafts of the turbo, BUT, both shafts look OK ! So I really can't see where this tiny bit comes from if it isn't from a shaft. Or maybe there are inner blades inside the turbo that I can't see ?

Jun 21st, 2016, 10:55	#5
boyracer996 Senior Member Last Online: Jul 5th, 2017 11:06 Join Date: Oct 2011 Location: Belfast	either the turbo is getting jammed by that piece of metal or possibly the vacuum hoses were not in the correct place

Jun 22nd, 2016, 07:38	#6
Alexjansen Member Last Online: Jan 19th, 2019 11:38 Join Date: Jul 2014 Location: Dijon	Yes maybe that piece of metal just got into the turbo one way or another and was blocking it. But I can't be sure so I don't know if I can take the risk and try that turbo again

Jun 22nd, 2016, 09:57	#7
boyracer996 Senior Member Last Online: Jul 5th, 2017 11:06 Join Date: Oct 2011 Location: Belfast	replace the core with a new one and your good to go

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