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Section 145 (2.7L Engine (Service Information)): Lubrication: Operation

WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, and 2004 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.

Oil from the oil pan is pumped by a gerotor type oil pump directly coupled to the crankshaft (Fig 1). Oil pressure is controlled by a relief valve mounted inside the oil pump housing. See (Fig 1-Fig 6 ) for engine oil lubrication circuits.

Fig 1: Identifying Cylinder Block Oil Lubrication System
G02709614Courtesy of DAIMLERCHRYSLER CORP.
Fig 2: Cylinder Block Oil Lubrication Flow Chart
G02709615Courtesy of DAIMLERCHRYSLER CORP.
Fig 3: Identifying Cylinder Head Oil Lubrication System (Left Side)
G02709616Courtesy of DAIMLERCHRYSLER CORP.
Fig 4: Cylinder Head Oil Lubrication Flow Chart (Left Side)
G02709617Courtesy of DAIMLERCHRYSLER CORP.
Fig 5: Identifying Cylinder Head Oil Lubrication System (Right Side)
G02709618Courtesy of DAIMLERCHRYSLER CORP.
Fig 6: Cylinder Head Oil Lubrication Flow Chart (Right Side)
G02709619Courtesy of DAIMLERCHRYSLER CORP.
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