Description And Operation: Operation

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

Engine oil is drawn up from the oil pan through a screen on the bottom of the BSM where it is pressurized by the oil pump and routed through the oil cooler and full-flow filter to the main oil gallery running the length of the cylinder block. A diagonal hole in each bulkhead feeds oil to each main bearing and the four individual piston oil cooler jets. Drilled passages within the crankshaft route oil from the main bearing journals to the connecting rod journals. Balance shaft lubrication is provided through an internal oil passage at the #3 bearing location around the BSM mounting bolt. A vertical hole at the number one bulkhead routes pressurized oil through a filter screen and head gasket up to the cylinder head. The oil then divides into two passages; one to the VVAA and one to the exhaust camshaft. The passage to the camshaft feeds the hollow exhaust camshaft at the second cam journal. The rest of the cam journals are feed oil through the hollow camshaft. Oil returning to the oil pan from pressurized components supplies lubrication to the valve stems, cam lobes, and tappets. Cylinder bores and wrist pins are splash lubricated from directed slots on the connecting rod thrust collars.