Mazda 3 Service Manual: Thermostat Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
-
During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.
4. Heat the water and check the following.
-
Opening temperature and valve lift
-
If there is a malfunction, replace the thermostat..
-
Thermostat initial-opening temperature
-
80—84 °C {176—183 °F}
-
Thermostat full-open temperature
-
97 °C {207 °F}
-
Thermostat full-open lift
-
More than 8.0 mm {0.31 in}
Water Pump 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 ...
Thermostat 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:
Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
Because the BARO sensor is integrated in the PCM, replacing the BARO sensor
includes replacement of the PCM.
1. Connect the M-MDS to the DLC–2.
2. Switch the ignition to ON.
3. Verify that the BARO sensor output voltage (PID: BARO) is within the spe ...
Engine Coolant Leakage Inspection [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 shoot out and cause serious injury. It may also damage
the engine and cooling system.
Tu ...
Forward Obstruction Warning (FOW))
Forward Obstruction Warning (FOW) is a system which alerts the driver of a
possible
collision using an indicator and warning sound in the instrument cluster while
the vehicle
is being driven at about 15 km/h or faster (10 mph or faster) and the system's
radar sensor
determines that your veh ...
