Optima V6-2.7L (2003)
1. Remove the engine cover.
2. Using the spanner [16 mm], rotate the tensioner arm clockwise. (about 14°) and remove the belt from pulley.
3. Remove the coolant pump pulley, idler pulley, tensioner pulley and crankshaft pulley.
4. Remove the upper and lower timing belt covers.
5. Support the engine with garage jack or wooden block and remove the engine mounting insulator.
6. Remove the engine mount bracket from the engine.
7. Remove the auto tensioner.
NOTE: Rotate the crankshaft clockwise and align the timing mark to get the No.1 cylinder's piston to be in TDC position (compression stroke).
At this time, the timing mark of camshaft sprocket and cylinder head cover should coincide each other.
8. Remove the timing belt.