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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:

Oil Pump Removal/Installation [Skyactiv G 2.0]
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 ...

Rear Drive Shaft Inspection
1. Inspect each connecting part for looseness. Tighten or replace parts if necessary. 2. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease, and looseness in the boot band. 3. Inspect the drive shaft for bends, cracks, and wear in the joints or splines. ...

When Liftgate Cannot be Opened
When Liftgate Cannot be Opened If the vehicle battery is dead or there is a malfunction in the electrical system and the liftgate can not be opened, perform the following procedure as an emergency measure to Open it: 1. Remove the cap on the interior surface of the liftgate with a flathead sc ...

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