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S4
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Cooling System (Mechanical)
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REMOVAL/INSTALLATION & SPECIFICATION - 2.22L 5-Cyl. Turbo
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General, Engine 2.22L 5-Cylinder Turbo
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Pressure Relief Valve In Cap, Checking
Pressure Relief Valve In Cap, Checking
Screw cap onto cooling system tester VW 1274 with adapter VW 1274/1.
Fig 1: Cooling System Tester VW 1274 & Cap
Courtesy of VOLVO CARS OF NORTH AMERICA.
Create pressure with hand pump of tester
Pressure relief valve must open at 1.2-1.5 bar (17-22 psi).
Courtesy of VOLVO CARS OF NORTH AMERICA.