What is foreign object damage

What is foreign object damage?

A foreign object is simply any object that enters the turbochargerthrough the airinlet or exhaust inlet. 

When aforeign object enters the turbocharger, its performance will be affected.

Signs of foreign object damage

Noise from the turbo during operation

Loss of performance

Damage to the compressor or turbine blades

Pitting around the compressor inlet

Damage to the compressor or turbine blades