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Home >> Jeep >> 1998 >> Wrangler Sport, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L Engine >> Engine Oiling >> Engine Lubrication System >> Oil Pressure

Oil Pressure

Minimum oil pressure should be 13 psi (89.6 kPa) at 600 RPM. Normal oil pressure should be 37-75 psi (255-517 kPa) at greater than 1600 RPM. Oil pressure relief is 75 psi (517 kPa).

Fig 1: Exploded View Of Engine Oiling System
G99D04354Courtesy of CHRYSLER CORP.