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:
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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
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If there is a malfunction, replace the thermostat.
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Thermostat initial-opening temperature
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80.5—83.5 °C {177—182 °F}
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Thermostat full-open temperature
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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:
Oil Pressure Inspection
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
Glass Antenna Inspection
1. Disconnect the negative battery cable..
2. Partially peel back the seaming welt.
3. Remove the liftgate upper trim..
4. Disconnect antenna feeder No.3 connector..
5. Visually inspect the glass antenna for damage.
6. Verify that the continuity between the glass antenna terminals is as in ...
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.
...
