Daewoo KORANDO Service Manual page 416

6. Remove the spring retainer(3) and valve spring (4).
7. Remove the valve stem seal (5).
8. Insert the cap (12) onto the valve (6) and install the new
valve stem seal (5) and then remover the cap.
9. By pressing the spring seat with press lever (9), install the
valve cotters(2) with magnetic finger (10).
Notice
Be careful not to damage guide bore of the valve tappet.
Pliers 104 589 00 37 00
Drift 601 589 02 43 00
Press Lever 667 589 00 31 00
Magnetic Finger 116 589 06 63 00
OM600 ENGINE MECHANICAL 1B3-115