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Home >> Jaguar >> 2015 >> XFR-S >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Engine - GTDI 2.0L Petrol -- XF/X250) >> Engine - GTDI 2.0L Petrol >> Description And Operation >> Engine - System Operation And Component Description (G1550484) >> Cylinder Block Components - 2.0L GTDI >> Piston Cooling Jets

Piston Cooling Jets

WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
G11418155
ITEM DESCRIPTION
1 Piston
2 Piston cooling jet
3 Bolt

Jets located in the cylinder block provide piston and piston pin lubrication and cooling. One jet per cylinder is used. Each jet is located in a drilling in the cylinder block and is secured with a bolt. Pressurized engine oil is supplied via the drilling to the jet from the oil pump.

The jets spray oil onto the inside of the piston. The oil coats the underside of the piston to help cool each piston crown. Additionally the oil enters a hole in the top of the connecting rod and lubricates the small end bearing and piston pin.

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