3.5.2. Oil cooler An oil cooler is provided between the oil filter and the cylinder block. This cooler is a flat tube type with turbulence inserts and operated by the coolant. 3.5.3. Oil filter Check for oil pressure and oil leaks, and repair or replace the oil filter if necessary. Change the oil filter cartridge simultaneously at every replacement of engine oil. Oil filter (Cartridge) Oil filter head EQM4010I - 14 - Engine oil viscosity - ambient temperature SAE 20, 20 W SAE 40, 50 Single SAE 10W grade Ambient -30 C -15 C -0 C temp (-20 F) (-0 F) (-32 F) SAE 30 15 C 25 C 30 C (60 F) (80 F) (90 F) Multi grade SAE 10W - 30 SAE 15W - 40 SAE 10W - 40, 20W - 40, 20W - 50 SAE 5W - 20 EA4M1008