Mazda 3 Service Manual: Cooling

Vehicle Speed Sensor (VSS) Removal/Installation [FS5 A EL]

CAUTION: If foreign materials are stuck to the sensor, disturbance by magnetic flux can cause sensor output to be abnormal and thereby negatively affect control. Make sure that foreign m ...

Coolant Reserve Tank Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may ...

Other materials:

Clutch Release Collar Inspection [C66 M R]
CAUTION: Do not clean the clutch release collar with cleaning fluids or a steam cleaner because it is filled with grease. Operation Inspection 1. Turn the collar while applying force in the axial direction, and inspect for sticking, excessive resistance, and an abnormal noise. ...

Wastegate Control Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the wastegate control solenoid valve.. 4. Inspect the airflow between the ports under the following conditions. If not as specified, replace the wastegate control solenoid val ...

Precaution
Intermittent Concern Troubleshooting Vibration method If a malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating, perform the following steps. NOTE: There are several reasons why vehicle or engine vibration could cause an electr ...