Mazda CX-5 Service & Repair Manual: Oil Jet Valve
Purpose, Function
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The oil jet valve injects engine oil on the back of the piston to cool the piston.
Construction
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The oil jet valve is installed into the cylinder block.
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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:
Air Fuel Ratio (A/F) Sensor Removal/Installation
WARNING:
A hot engine and exhaust system can cause severe burns. Turn off the engine
and wait until they are cool before removing the exhaust system.
CAUTION:
Do not allow flammable objects such as the taping for bundling wiring harness
to come into contact with the exhau ...
Keyless Antenna [Advanced Keyless Entry System]
Purpose
Outputs a request signal and specifies the remote transmitter location.
Function
The keyless antenna outputs request signals to the inside and outside of
the vehicle based on the signals from the LF control unit.
Construction, Operation
The antennas for re ...
Tire Pressure Monitoring System
Tire Pressure Monitoring System
• The Tire Pressure Monitoring System (TPMS)
monitors the air pressure of all four wheels. If the air pressure of one or more
tires is too low, the system warns the driver by indicating the tire pressure monitoring
system warning light in the instrument clust ...
