Common causes of Turbo trouble

• Foreign object damage is caused by foreign materials entering the turbine/compressor housing and impacting the turbine or compressor wheel …foreign object damage continued
• Oil Starvation.  Turbocharger rotor operates at high speed on very thin film of oil. Loss of this oil film for a repetitive short duration of 2+ seconds can lead to metal-to-metal contact, wheel-to-housing rub and turbocharger failure … Oil starvation continued
• Oil Contamination.  Foreign materials in oil, metal shavings, abrasives from inadequate filtration and dilution can score the bearings and destroy the oil film that supports the shaft. Dirty oil damages the turbocharger with heavy scoring of critical bearing surfaces. ...Oil contamination continued
• Excessive Exhaust Gas Temperature. Extreme turbo temperatures are caused by excessive exhaust temperatures and can damage the turbo during operation or shutdown. ... Turbo temperatures continued
• Turbocharger Overspeed.  Turbocharger overspeed failure is normally caused by the vehicle’s engine causing the turbo to spin up and run outside its designed limits. As a result the physical components can stress beyond their elastic limits and destroy the turbo. ...Overspeed continued

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