Mazda 3 Service Manual: Turbocharger Inspection [Mzr 2.3 Disi Turbo]

Compressor Wheel Inspection

1. Remove the turbocharger..

2. Visually inspect the compressor wheel from view A for the cracks, damage, or bending on all the compressor wheel blades.

• If there are any cracks or damage, replace the turbocharger..

  NOTE:

  • If there is contact between the compressor wheel and compressor housing, there may be cracks, damage, or bending on the blade end area.

  • If there are cracks, damage, or bending on the compressor wheel, verify the following after replacing the turbocharger.

  • Intake air/exhaust system related components

  • Oil outlet pipe and oil inlet pipe damage

Turbine Wheel Inspection

1. Remove the turbocharger..

2. Visually inspect the turbine wheel from view B for the cracks, damage, or bending on all the turbine wheel blades.

• If there are cracks, damage, or bending on the turbine wheel, replace the turbocharger..

  NOTE:

  • If there is contact between the turbine wheel and turbine housing, there may be cracks, damage, or bending on the blade end area.

  • If there are cracks, damage, or bending on the turbine wheel, verify the following after replacing the turbocharger.

  • Intake air/exhaust system related components

  • Oil outlet pipe and oil inlet pipe damage