If mechanical damage (for example a destroyed compression wheel) is found on the turbocharger, just replacing the turbocharger is not enough. To avoid subsequent damage later, perform the following steps:
WARNING: This page is about a different car, the 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
If mechanical damage (for example a destroyed compression wheel) is found on the turbocharger, just replacing the turbocharger is not enough. To avoid subsequent damage later, perform the following steps:
- Check the air filter housing, air filter element and air duct hoses for contamination.
- Check the entire charge air circuit and charge air cooler for foreign objects.
- If there are foreign objects in the charge air system, clean the charge air circuit and replace the charge air cooler if necessary.
- If bearing damage is apparent on the removed turbocharger, change the engine oil and filter.
- When installing a new turbocharger compare the old and new components and if necessary reposition the attachments. Refer to OVERVIEW - TURBOCHARGER, 3.0L ENGINE .