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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:

PCM Configuration (Using Read/Write Function)
NOTE: When performing configuration, it is necessary to read the vehicle specification information from the PCM before replacing it. Connect the M-MDS to the vehicle and perform vehicle identification before removing the PCM. The vehicle specification information is temporarily stor ...

Synchronizer Mechanism [C66 M R]
Purpose, Function For smooth gear changes, the synchronizer mechanism synchronizes the rotation of the engaging area and engages gears. Construction Detent ball-type synchronizer key A detent ball-type synchronizer key has been adopted for the synchronizer mechanism ex ...

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 ...

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