Mazda CX-5 Service & Repair Manual: Oil Jet Valve

Mazda CX-5 Service & Repair Manual / Engine / Lubrication / Oil Jet Valve

Purpose, Function

The oil jet valve injects engine oil on the back of the piston to cool the piston.

Construction

The oil jet valve is installed into the cylinder block.

The oil jet valve is built into the check ball and spring.

Operation

1. When the oil pressure applied to the check ball exceeds the spring force, the check ball and spring are pressed down.

2. The oil passage is opened to the nozzle and engine oil is injected to the back side of the piston.

3. When the oil pressure applied to the check ball is lower than the spring force, the spring presses up the check ball.

4. The oil passage to the nozzle is closed and the injection of engine oil stops.

Oil Filter

Purpose, Function Engine oil is filtered by passing engine oil through the oil filter element. Construction The oil filter is installed on the right side surface of the cylinder bl ...

Oil Pan Removal/Installation

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 ...

Other materials:

AWD
All-Wheel Drive (AWD) Operation • AWD provides excellent drivability on snow-covered and ice-packed roads, sand and mud, as well as on steep slopes and other slippery surfaces. • A system malfunction or operation conditions are indicated by a warning. Refer to Warning/Indicator Light ...

Positive Crankcase Ventilation (PCV) Valve Inspection
Airflow Inspection 1. Disconnect the section (A) of ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. If vacuum is not applied to the ventilation hose, perform the p ...

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