Optima L4-2.4L (2001)
Engine Oil: Testing and Inspection
CHECKING THE ENGINE OIL
1. Warm up the engine and turn the ignition off.
2. Remove the filler cap (on the rocker cover), then remove the drain plug and drain the engine oil.
3. Install the drain plug and tighten to specified torque.
Tightening torque: Drain plug 35 - 45 Nm (350 - 450 kg.cm, 26 - 32 lb.ft)
4. Fill the crankcase with fresh oil through the filler port.
5. Pull the dipstick out in order to check the oil level.
6. Install the filler plug.
7. Recheck the level of the engine oil after a road test.
