Hyundai GENESIS COUPE BK 2010 Manual page 31

Do not rotate engine counterclockwise.
7. Inspect the valve clearance.
(1) With No.1 cylinder at TDC inspect clearances only on the valves shown in diagram below.
Measurement method.
A. Using a thickness gauge, measure the clearance between the tappet and the base circle of camshaft.
B. Record the out-of-specification valve clearance measurements. They will be used later to determine the
required replacement adjusting tappet.
Valve clearance
Specification
Engine coolant temperature : 20°C [68°F]
Limit
Intake : 0.10 ~ 0.30mm (0.0039 ~ 0.0118in.)
Exhaust : 0.20 ~ 0.40mm (0.0078 ~ 0.0157in.)
(2) Turn the crankshaft pulley clockwise one revolution (360°) and align the groove with timing mark "T" of the lower
timing chain cover.
(3) With No.4 cylinder at TDC inspect clearances only the valves shown in diagram below. (Refer to procedure step
1.)