โข Oil is drawn from the oil pan through the pickup tube. The oil is then routed through a passage cast into the upperย ย ย ย oil pan then to the oil pump inlet.
โข From the oil pump, oil is directed to the oil cooler and then to the oil filter.
โข The main oil passage in the rear of the engine block feeds the right, left and the camshaft galleries.
โข Right oil gallery feeds the:
โ rocker arm oiling manifold for the right cylinder head.
โ cam followers and hydraulic lifters on the right side.
โ piston cooling jets on the right side.
โ crankshaft main bearings,
โข a separate oil passage for each main bearing.
โข also used to lubricate the connecting rod bearings.
โ turbocharger.
โข Left oil gallery feeds the:
โ rocker arm oiling manifold for the left cylinder head.
โข An oil passage connected to the gallery going up to the left cylinder head also provides engine oil to the:
โ vacuum pump.
โ meshed gears of the crankshaft, camshaft and high pressure fuel pump.
โ cam followers and hydraulic lifters on the left side.
โ piston cooling jets on the left side.
โข Camshaft oil gallery feeds the camshaft bearings.