Turbocharger Inspection [Mzr 2.3 Disi Turbo]
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
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
Test yourself
A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.