12-13-2023, 07:00 PM | #1 |
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Turbo exhaust turbine discoloration
Is this green color a normal discoloration or indicative of something abnormal? 33k miles and 20ish track days on these stock turbos.
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12-13-2023, 07:19 PM | #2 |
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that’s the first time i’ve seen this. have you had any loss of performance or it’s just the color you’ve seen change
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12-13-2023, 07:30 PM | #3 |
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Use any fuel additives, octane boosters, etc? Never have seen green but usually orange/red'ish with octane boost. Coolant can be green but you'd probably know if you had an issue there. Definitely odd but in for the answer.
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12-14-2023, 08:18 AM | #6 |
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I had 2 spark plugs ceramic separate so replaced those and injectors. Since it's winter I decided to pull these off and check them and do some preventative maintenance.
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12-14-2023, 08:20 AM | #7 |
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12-14-2023, 08:25 AM | #8 |
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12-14-2023, 08:39 AM | #9 |
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12-14-2023, 08:58 AM | #10 |
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As mentioned above the TMIC leaking seems to be the most plausible, I'd definitely keep an eye on that fluid level. The blue coolant could be morphing into this blue/green look among with general combustion turbine discolorations.
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12-14-2023, 09:36 AM | #11 |
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The low pressure part does not enter the intake, I think this is what it refers to, i guess it was leaking outside.
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