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How To Diagnose Blown Turbo Oil Seal


Kaido_RR
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As I understand it, you'll puff some smoke out the exhaust, typical blue/grey oil burning smoke. Not fluffy white like when you do a head gasket and not black/dark like when you're running rich.

You can also end up with quite a bit of oil in the inlet tract, intercooler core and for those running bleed valves close to the turbo you might find some oil seeping around the valve knob etc.

What symptoms do you have that make you question the turbo seals?

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As I understand it, you'll puff some smoke out the exhaust, typical blue/grey oil burning smoke. Not fluffy white like when you do a head gasket and not black/dark like when you're running rich.

You can also end up with quite a bit of oil in the inlet tract, intercooler core and for those running bleed valves close to the turbo you might find some oil seeping around the valve knob etc.

What symptoms do you have that make you question the turbo seals?

bought a set of turbo for my gtr from japan, and trying to work out if the oil in the rear housing is from when they were packed and the oil leak out of the oil lines or if the seal is gone

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