engine, rotax 1503 4-tec - Sea-Doo.net

Section 01 ENGINES (1503 4-TEC)Subsection 05 (COOLING SYSTEM)GENERALFor additional information pertaining to the vehiclecooling system, refer to the appropriate VEHICLESHOP MANUAL.Check general condition of hoses and clamp tightness.Check the leak indicator hole if there is oil orcoolant.RemovalSupercharged EnginesRemove supercharger inlet and outlet hoses tomake room.F18F0CA 12 31. Supercharger2. Inlet hose3. Outlet hoseF18E1CA1. Weep holeNOTE: Flowing coolant indicates a damaged rotaryseal. Oil out of the leak indicator hole indicatesa non working oil seal.PROCEDURESCOOLANT PUMP1All EnginesDrain cooling system and engine oil, refer to appropriateVEHICLE SHOP MANUAL.Remove from housing:– ride plate inlet and outlet hoses– cylinder head outlet hose no. 1– oil cooler inlet hose no. 2– oil cooler outlet hose no. 3– screws no. 4 and no. 5 retaining coolant pumphousing no. 6– coolant pump housing no. 6.InspectionCheck if gasket no. 7 is brittle, hard or damagedand replace as necessary.1F18E0YA1. Coolant pumpsmr2005-088 63