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Ordinary Turbo Failure Analysis and Solution | Refoneturbo.com

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  Do you know how to check the  turbocharger  by yourself once it stops work suddenly? Here are some tips for your guidance. 1. Oil contamination a) Mostly visible as scratches and score lines on the  journal bearing  and the  shaft . b) Inner and outer bore of the journal bearing becomes oversized and undersized respectively under this situation. c) It results in excessive bearing tolerance between bearing and shaft, which contributes to a failed  turbocharger . Solution: Always change the oil filters when replacing a new  turbo . Use the correct oil grade for the engine and ensure that the inlet pipes are free from carbon deposits or sludge. 2. Presence of foreign objects a) Damage to the  compressor wheel – Foreign objects may enter you  turbocharger  via the compressor inlet which can cause impact damage and abrasion to the  compressor wheels . b) Damage to the turbine wheel – Generally caused by engine components e.g ...