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Mazda CX-5 Service & Repair Manual: Cooling System Cap

Purpose, Function

Construction

Operation

When engine coolant temperature is high

1. When the engine coolant temperature is high, the pressure in the engine coolant passage increases and the pressure valve is pressed and opened.

2. Engine coolant flows into the coolant reserve tank when the pressure valve is open.


When engine coolant temperature is low

1. When the engine coolant temperature is low, the pressure in the engine coolant passage decreases and the vacuum valve is opened.

2. Engine coolant in the coolant reserve tank flows into the engine coolant passage when the vacuum valve is open.


Cooling System Cap Inspection
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 ...

Cooling System Service Warnings
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:

Propeller Shaft Inspection
1. Measure the propeller shaft center runout using the dial gauge. If it exceeds the maximum specification, replace the propeller shaft as a single component. Propeller shaft maximum runout 0.8 mm {0.031 in} 2. Inspect the play and rotation of the joint by turning ...

Floor Mat
WARNING Make sure the floor mats are hooked on the retention pins to prevent them from bunching up under the foot pedals: Using a floor mat that is not secured is dangerous as it will interfere with the accelerator and brake pedal operation, which could result in an accident. Do not install t ...

Negative Battery Cable Disconnection/Connection [Skyactiv G 2.0]
WARNING: Before removing the SRS air bag system-related parts, always disconnect the negative battery cable and wait for 1 min. or more to allow the back-up power supply to deplete its stored power.. Required procedure after negative battery cable disconnection/connection ...

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