Turbo question
 This is my 6 yr old turbo from Volvo tamd22 after being cleaned. I have a loss of rpm only able to get 2200. Is this rust color normal? I'm wondering about all the pitting. I have a new turbo on order. Just want to see if I have another issue that needs addressing. And if anyone has pictures of their turbo after cleaning could you share that please.
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Germain Jean-Pierre
Question??? Are you sure of the engine desig? TMD22 is the usual engine , not the TAMD...
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Jean-Pierre Germain, Eleuthera, SM007, OPUA,NZ
On 24/09/2020, at 10:10 AM, Rob Hughes via groups.io <svluna01@...> wrote:
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Alain Blanchard <akdf85@...>
Hello Rob
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I remember this video about turbo. It might Help ... There are 4 videos on the subject.
Alain
Envoyé de mon iPhone
Le 24 sept. 2020 à 02:59, Germain Jean-Pierre <jp.germain45@...> a écrit :
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yes i have the tamd pb
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This is how mine is, just some corrosion at the valve, have decided to put it back and ser if it works now after cleaning, else buy a new one.
Paul on sykerpa SM 259
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No i clean the Turbo make nwe seals and it works perfekt
Elja SM Balu 222 Von meinem iPhone gesendet
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Rob,
The most concerning part of this picture is the fan. The fan should be clean and you should be able to flick it with your fingertip and watch it spin. If it doesn’t spin freely, the problem with your lack of getting RPM is indeed the turbo. You are probably also blowing out smoke as you increase the RPM with a damaged turbo.
You have just found out how expensive turbos are for a marine engine. Save your old one and hunt for an automotive turbo repair shop during your travels. They are common. The chances are it can easily be rebuilt for not much money (under $200).
With best regards,
Mark
Skipper Sailing Vessel - Cream Puff - SM2K - #275 Currently cruising - Tahiti, French Polynesia www.creampuff.us
From: main@AmelYachtOwners.groups.io
[mailto:main@AmelYachtOwners.groups.io] On Behalf Of Rob Hughes via
groups.io
Sent: Wednesday, September 23, 2020 12:10 PM To: main@AmelYachtOwners.groups.io Subject: [AmelYachtOwners] Turbo question
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Eric Freedman
Rob,
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while you have the Turbo off, You might paint it with automotive exhaust header paint. Once it is heated up it cured and you will never have a rusty turbo. Fair Winds, Eric SM 376 Kimberlite
On September 24, 2020 at 2:49 PM Mark Erdos <mcerdos@...> wrote:
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 I think i found the cause of the corrosion on the turbo. this is the picture of our old exhaust elbow. we had replaced I think sea water was spraying in onto the inside of the turbo housing
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Mark McGovern
The rust is normal and the pitting does not look terrible. The exhaust housing is made from cast iron so it will start the rust the second you stop cleaning it unless you coat it with something. I wouldn't worry about it as it certainly is not the cause of your reduced maximum engine RPM.
As long as the turbocharger shaft spins freely (at least a little bit) and if there is not excessive "play" in the shaft if you grab it with two fingers and try to move it laterally back and forth, then the turbocharger is probably fine. This assumes that the compressor wheel on other side of the turbocharger is OK. What did it look like before it was cleaned? If it looked like Delos' turbocharger completely filled with coked up crud (shown below) than it probably was the culprit:  Also, what does the exhaust elbow look like? -- Mark McGovern SM #440 Cara Deale, MD USA
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Problem fixed. New turbo did the job
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Dan Wilcox
If anyone is interested, I have a slightly used turbo and elbo for a Perkins Prima M80T. They both have less than 5 hours on them. I unfortunately had replaced them right before finding out my engine was toasted beyond repair. Thanks, Dan Feierabend SM#86
On Friday, September 25, 2020, 08:28:20 AM PDT, Rob Hughes via groups.io <svluna01@...> wrote:
Problem fixed. New turbo did the job
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