12. COOLING SYSTEM Downtown 300i ABS COOLING SYSTEM TESTING Radiator Tester RADIATOR CAP INSPECTION Install the radiator cap onto the radiator tester and apply specified pressure to it. It must hold specified pressure for at least six seconds. Apply water to the sealing cap surface before testing. Radiator Cap Radiator Cap Relief Pressure: 0.90.15 kg/cm Install the radiator tester onto the radiator and apply specified pressure to it. It must hold specified pressure for at least six seconds. Check the water hoses and connectors for leaks. The test pressure should not exceed 1.05 kg/cm. Excessive pressure can damage the radiator and its hose connectors. RADIATOR RADIATOR INSPECTION Remove the front cover. 12-4