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

Mazda 3 Service Manual / Engine / Forced Induction / 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.

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.

Input/Turbine Speed Sensor Removal/Installation [FS5 A EL]

CAUTION: Always use a new bolt. If the removed input/turbine speed sensor installation bolt is reused, it may cause oil leakage. A sealant coating is applied to the input/turbine s ...

Wastegate Actuator Inspection [Mzr 2.3 Disi Turbo]

1. Remove the air hose and air duct.. 2. Disconnect the hose from the wastegate actuator. 3. Plug the wastegate actuator as shown in the figure. 4. Connect the vacuum pump to the port 5. R ...

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