Section 4 (3.6L Engine (Service Information)): Lubrication: Description

Courtesy of CHRYSLER GROUP, LLC

The lubrication system is a full flow filtration, pressure feed type lubrication system:

• The oil pump is mounted to the bottom of the cylinder block and chain driven by the crankshaft sprocket
• The oil pump pick-up tube is attached to the oil pump and supported at the windage tray
• There are three oil gallery plugs installed in the engine block
• A system oil pressure sensor allows oil pressure to be monitored with a diagnostic scan tool
• The oil pressure and oil temperature sensors are located on the oil filter housing assembly which is mounted to the top of the engine block between the cylinder heads
• The oil cooler is mounted to the oil filter housing
• There is a pressure relief valve in the oil pump that is only activated on a cold start or for emergency relief since the oil pump output is self-regulating
• There are three piston oil cooler jets mounted to the engine block that cools two pistons

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