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Service Focus Jul, 24 2017

Engine Construction



 Lexus F series engine


Exhaust valves

Open to discharge combustion gases from the cylinders.

Intake valves

Open to draw the air-fuel mixture into the cylinders.


Timebelt / Chain

Synchronizes the rotation of the camshafts, which open and closes the intake/exhaust valves, with the movement of the crankshaft.

Oil pan

Receptacle for engine oil.


Cylinder head

Receptacle for engine oil.


Driven by timing belt or chain. It opens and closes the intake and exhaust valves.



Move up and down in the cylinder as a result of receiving the pressure created by the explosion of the air-fuel mixture.


Converts the up-and-down motion of the piston into rotational motion via the connecting rods. This motion is transferred to the transmission which makes the vehicle move.

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