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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:

Cargo Compartment Light Bulb Removal/Installation
1. Disconnect the negative battery cable.. CAUTION: Always disconnect the negative battery cable before performing the cargo compartment light bulb removal. Otherwise, the circuit may be shorted resulting in damage to the related parts such as the rear body control module (RBCM). ...

Washer Nozzle
Purpose The washer nozzle sprays the washer fluid sent from the washer motor to the optimum positions on the windshield. Construction A ball-shaped spray orifice is set inside the washer nozzle which can be adjusted up or down. The washer nozzle is moved u ...

Non Return Valve
Purpose, Function Assures safety by preventing fuel from returning to the fuel filler opening. Construction The non-return valve cannot be removed as it is installed inside the fuel tank. 2WD AWD A single valve type has been adopted for the non-return v ...

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