Optima V6-2.7L VIN 4 (2007)
Camshaft: Specifications
Camshaft
Cam height
LH Camshaft
Intake ................................................................................................................................................................................. 44.5 mm (1.7520 inch)
Exhaust .............................................................................................................................................................................. 44.5 mm (1.7520 inch)
RH Camshaft
Intake ................................................................................................................................................................................. 44.5 mm (1.7520 inch)
Exhaust .............................................................................................................................................................................. 44.5 mm (1.7520 inch)
Journal outer diameter
LH Camshaft
Intake ................................................................................................................................................. 27.964 - 27.980 mm (1.1009 - 1.1016 inch)
Exhaust .............................................................................................................................................. 27.964 - 27.980 mm (1.1009 - 1.1016 inch)
RH Camshaft
Intake ................................................................................................................................................. 27.964 - 27.980 mm (1.1009 - 1.1016 inch)
Exhaust .............................................................................................................................................. 27.964 - 27.980 mm (1.1009 - 1.1016 inch)
Bearing oil clearance
Intake ........................................................................................................................................................... 0.020 - 0.057 mm (0.0008 - 0.0022 inch)
Exhaust ........................................................................................................................................................ 0.020 - 0.057 mm (0.0008 - 0.0022 inch)
End play .................................................................................................................................................................... 0.1 - 0.2 mm (0.0039 - 0.0079 inch)
Camshaft Bearing Caps
Tightening torque:
A Caps ....................................................................................................................................................................................... 10.8-12.7 Nm (8.0-9.4 lb-ft)
B Caps ................................................................................................................................................................................... 20.6-22.5 Nm (15.2-18.8 lb-ft)
NOTE:When installing the bearing caps, check the marks on them as shown below and install them in its proper position.
Bearing Cap Decoder
Each cap is stamped with an alpha-numeric value to denote its proper location. The value is stamped with three digits (letter, letter, number). The
abbreviated values are:
First Digit (camshaft location)
L = Left Hand
R = Right Hand
Second Digit (intake or exhaust)
I = Intake
E = Exhaust
Third Digit (cap number)
1, 2, or 3
CAUTION:
When installing the bearing caps, turn the crankshaft to place a piston in the middle of the block because interference between valves and
pistons can occur.