DO-IT-YOURSELF MAINTENANCE 6- 9
o The engine oil consumption is strongly
effected by the viscosity and quality of oil, engine rpm and driving condi-tion etc. More engine oil may be consumed under severe driving conditions suchas high speeds, frequent accelera- tion and deceleration, compared to normal driving.
ZG030E1-E ENGINE OIL CONSUMPTION Function of engine oil Engine oil has the primary function of lubricating and cooling the inside of the engine. Engine oil consumption It is normal that an engine should con- sume some engine oil while normal driving. The cause of oil consumption in a normal engine are as follows;
o Engine oil is used to lubricate pis-
tons, piston rings and cylinders. A thin film of oil is left on the cylinder wall when a piston moves down- wards in the cylinder. High negativepressure generated during engine operation sucks some of the oil into the combustion chamber.This oil with some oil of the cylinder wall is burned by the high tempera- ture combustion gases during thecombustion process.
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SG050A2-E ENGINE COOLANT CHECKING
WARNING:
Do not remove the radiator cap when the engine is hot, since the system is pressurized and coolant may beejected from the radiator resulting in scalding. NOTE: It is recommended that the engine coolant should be changed by an authorised Hyundai dealer.
