Excessive Noise from 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 - EXCESSIVE NOISE FROM TURBOCHARGER
| Possible Causes | Remedies |
|---|---|
| Dirty air cleaner element | Inspect and replace air cleaner if necessary. |
| Foreign object or material in compressor inlet ducting or compressor housing | Remove foreign object. Repair air intake system and inspect turbocharger. Replace if damaged. |
| Foreign object or material in compressor-to-intake manifold ducting | Remove foreign object. Repair air intake system and inspect turbocharger. Replace if damaged. |
| Foreign object or material in engine exhaust system | Remove foreign object. Repair air intake system and inspect turbocharger. Replace if damaged. |
| Carbon build-up in turbine housing | Clean housing if possible or replace turbocharger if damaged. Inspect engine control system for possible cause. |
| Turbocharger rotating assembly binding or dragging | Refer to this symptom troubleshooting chart for "TURBOCHARGER ROTATING ASSEMBLY BINDING OR DRAGGING ". |
| Loose intake or exhaust ducting systems | Locate and correct all loose and leaking connections. |