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2005
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S40 Base, 2.4 39, Standard
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Miscellaneous - Design And Function (544 Body)
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Engine (B5244S4; 2004-2010)
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Piston Cooling Valve
Piston Cooling Valve
Fig 1: Identifying Piston Cooling Valve
Courtesy of VOLVO CARS OF NORTH AMERICA.
The piston cooling valve regulates the oil flow by letting oil through the piston cooling nozzles.
Courtesy of VOLVO CARS OF NORTH AMERICA.