Oil caked inside turbo inlet. What could be the cause?
07-14-2018, 05:17 PM
#1
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Oil caked inside turbo inlet. What could be the cause?
Car is under warranty, so I am not concerned about cost. Is this likely a seal issue or something requiring a turbo replacement?
Last edited by mdloops; 07-14-2018 at 05:19 PM.
07-15-2018, 10:31 AM
#2
AudiWorld Super User
If you your car is older, you may want to consider replacing the Oil seperator (PCV) plus the turbo oil supply screen & check valve. There is a TSB for the earlier models on this. But even some of the newer cars have needed replacement.
From ssp 920223 4.0TT engine self study:
OK
07-16-2018, 06:49 AM
#3
AudiWorld Super User
The Oil seperator (PCV) sends the blowby gases into only one of the turbo inlets, so one of them gets the residual oil.
If you your car is older, you may want to consider replacing the Oil seperator (PCV) plus the turbo oil supply screen & check valve. There is a TSB for the earlier models on this. But even some of the newer cars have needed replacement.
If you your car is older, you may want to consider replacing the Oil seperator (PCV) plus the turbo oil supply screen & check valve. There is a TSB for the earlier models on this. But even some of the newer cars have needed replacement.
07-16-2018, 08:50 AM
#4
AudiWorld Super User
If the turbo oil seal is leaking, it may be due the wobbly turbo bearings, which may mean turbo replacement.
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