How to avoid ‘impact damage’ turbo failure

95 per cent of turbo failures are caused by problems with oil starvation, oil contamination or foreign object damage

How to avoid ‘impact damage’ turbo failure

As part of its continued campaign to encourage technicians to find out what caused a turbo to fail before replacing it, BTN Turbo is this month discussing impact damage.

The specialist says compressor damage is caused by objects being sucked into the air intake and turbine damage is usually caused by engine components, such as injector tips or valve train parts.

A BTN Turbo spokesperson said: “Turbochargers can spin at over 6,000 revs per second (360,000 rpm) and endure temperatures of 950°C.

“In these conditions, even the smallest object ingested or sucked into
the turbo can damage or destroy the compressor and turbine, leading to low pressure or total failure.”

To prevent turbo failure caused by impact damage, technicians are advised to ensure all air hoses are in good condition, intact and free from blockages or loose items.

New gaskets should always be used and the correct air filter installed.

BTN Turbo also advises technicians to check that there are no turbo or engine fragments in the system from the previous failure.

Common causes of impact damage

  • Items sucked into the air intake because of a damaged, poor quality or missing air filter.
  • Damaged hoses allowing small particles to enter the intake.
  • Gasket material entering the intake.
  • Nuts, bolts, washers, rags or other items left in the intake pipe during servicing.
  • Broken engine components such as injector tips, valves or fragments of damaged piston.
  • Fragments from a previous turbocharger failure.

BTN Turbo supplies brand new replacement turbochargers, made by the original manufacturers.

While it does guarantee its turbos, its standard warranty does not cover turbocharger failure caused by impact damage.

For further information about BTN Turbo, select ‘more details’ below.

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