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.
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If there are any cracks or damage, replace the turbocharger..
NOTE:
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If there is contact between the compressor wheel and compressor housing, there may be cracks, damage, or bending on the blade end area.
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If there are cracks, damage, or bending on the compressor wheel, verify the following after replacing the turbocharger.
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Intake air/exhaust system related components
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Oil outlet pipe and oil inlet pipe damage
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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.
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If there are cracks, damage, or bending on the turbine wheel, replace the turbocharger..
NOTE:
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If there is contact between the turbine wheel and turbine housing, there may be cracks, damage, or bending on the blade end area.
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If there are cracks, damage, or bending on the turbine wheel, verify the following after replacing the turbocharger.
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Intake air/exhaust system related components
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Oil outlet pipe and oil inlet pipe damage
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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 ...
Other materials:
Torque Converter Clutch (TCC) Non Operation [Fw6 A EL]
TROUBLESHOOTING ITEM
Torque converter clutch (TCC) non-operation
DESCRIPTION
TCC does not operate when vehicle reaches TCC operation range.
POSSIBLE CAUSE
Signal malfunction
...
Variable Tumble Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable tumble solenoid valve..
4. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable tumble solenoid valve..
...
Air Bleeding
CAUTION:
If the strainer is removed, impurities may penetrate the power steering system
and damage it. To prevent this, always bleed air with the strainer installed.
Do not maintain the steering wheel fully turned for 5 s or more. The oil
temperature could rise and damage ...
