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.
-
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:
Back Up Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped flathead screwdriver into the service hole in the position
shown in the figure.
3. Move the flathead screwdriver in the direction of the arrow (1) shown in the
figure, pull out the service hole cover from the liftgate, a ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Oil Control Valve (OCV) [Skyactiv G 2.0]
Purpose, Function
The OCV switches the oil passage to the hydraulic variable valve timing actuator
to control the opening/closing period of the exhaust valve.
Construction
The OCV is installed to the exhaust camshaft cap (No.1).
The OCV consists of a spool valve wh ...
