Cruze L4-1.4L Turbo (2011)
10. Remove the 2 upper timing chain guide bolts (1).
11. Remove the upper timing chain guide (2).
12. Loosen the intake camshaft sprocket bolt (2) while holding the hexagon of the intake camshaft with a wrench (1).
13. Loosen the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft with a wrench.