Impala V6-3.5L (2008)
Timing Component Alignment Marks: Locations
^
Align the crankshaft timing mark (1) to the timing mark on the bottom of the timing chain tensioner (2).
^
Hold the camshaft sprocket with the timing chain hanging down and install the timing chain to the crankshaft gear.
^
Align the timing mark on the camshaft gear (4) with the timing mark on top of the timing chain tensioner (3).