Mazda CX-5 Service & Repair Manual: Thermostat Inspection
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.
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Opening temperature and valve lift
-
If there is a malfunction, replace the thermostat.
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Thermostat initial-opening temperature
-
80.5—83.5 °C {177—182 °F}
-
Thermostat full-open temperature
-
95 °C {203 °F}
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Thermostat full-open lift
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8.5 mm {0.33 in} or more
Cooling Fan Relay
Purpose, Function
The cooling fan relay operates by receiving the signal from the PCM to supply
power to the cooling fan motor.
Construction
The cooling fan relay is installed o ...
Thermostat Removal/Installation
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:
Crankshaft Position (CKP) Sensor Removal/Installation
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
Do not assemble t ...
Differential Oil Temperature Sensor
Purpose, Function
The differential oil temperature sensor detects the rear differential oil
temperature based on the resistance of the thermistor, and inputs it to the
AWD CM.
Construction
The differential oil temperature sensor is installed in the rear differential
carr ...
Air Filter
Purpose
The air filter removes pollen and dust in the intake air and purifies air
flowing into the cabin.
Function
The air filter removes pollen and dust using a dust collecting filter.
Construction
The air filter is installed to the blower unit.
It ...
