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Home >> Porsche >> 2015 >> Macan Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 355 (Engine - INGENIUM I4 2.0L Petrol -- Discovery Sport/L550) >> Engine - INGENIUM I4 2.0L Petrol >> Description And Operation >> Engine >> Description >> Piston Cooling Oil Jets

Piston Cooling Oil Jets

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
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ITEM DESCRIPTION
1 Piston cooling oil jet (4 off)
2 Piston cooling oil jet solenoid

Four piston cooling oil jets are located in the cylinder block. Each piston cooling oil jet is located adjacent to a cylinder and secured in the cylinder block with a bolt.

The piston cooling oil jets provide piston and gudgeon pin cooling and lubrication. Each piston cooling jet has a single outlet nozzle which sprays oil into the cooling chamber in the piston. The jets are supplied by pressurized oil from the variable flow oil pump with integral vacuum pump via a drilling in the cylinder block. The oil supply to the drilling is controlled by a piston cooling oil jets solenoid that is controlled by the Powertrain Control Module (PCM). The piston cooling oil jet solenoid can open and close the oil supply depending on engine speed and load.

In addition to supply oil to the piston cooling bore the oil lubricates the small end bearing and gudgeon pin.

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