Oil Seal Leakage at Compressor End of Turbocharger
WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM TROUBLESHOOTING - OIL SEAL LEAKAGE AT COMPRESSOR END OF TURBOCHARGER
| Possible Causes | Remedies |
|---|---|
| Dirty air cleaner element | Inspect and replace air cleaner if necessary. |
| Restricted turbocharger oil drain line | Clean and remove restriction or replace oil drain lines as necessary. |
| Excessive pressure in crankcase | Diagnose and correct as necessary. |
| Worn or damaged compressor wheel | Clean and repair air intake system as necessary. Replace turbocharger. |
| Turbocharger bearings, bearing bores, or shaft journals worn | Replace turbocharger. |
| Engine malfunction (excessive piston blow-by or high internal crankcase pressure) | Diagnose and correct as necessary. |
| Crankcase over-filled | Adjust oil level in crankcase to proper level. |