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Mazda CX-5 Service & Repair Manual: Thermostat

Purpose, Function

Construction

Operation

1. When the engine coolant temperature decreases, the thermostat valve closes and engine coolant circulates without passing through the radiator.


2. When the engine coolant temperature is 80.5—83.5°C, the thermostat valve starts to open and the engine coolant passed through the radiator flows to the engine.


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 ...

Emissions
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Other materials:

Passenger Side Air Bag Module Removal/Installation [Standard Deployment Control System]
WARNING: Handling the air bag module improperly can accidentally deploy the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the air bag module.. NOTE: When replacing the passenger-side air bag module af ...

Positive Crankcase Ventilation (PCV) System
Purpose, Outline Prevents release of blow-by gas (unburnt gas) into the atmosphere. The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve and the ventilation hose. System Diagram Structure The positive crankcase ventilation sys ...

When Warning/Indicator Lights Illuminate/Flash
If the brake system warning light illuminates If the light stays on after the parking brake is fully released there may be a problem with the brakes. Drive to the side of the road and park off the right-of-way. You may notice that the pedal is harder to depress or that it may go closer to t ...

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