2007 Chevrolet Colorado Idler Pulley

You should install the Balance Shaft Chain guide, next install the balance shaft chain guide bolts, and install the balance shaft drive chain.

You should position the upper Timing Chain Guide to the cylinder head, next apply thread lock to the upper timing chain guide bolt threads, then install the upper timing chain guide bolts and the camshaft cover.

You should position the Timing Chain Tensioner to the engine, install the timing chain tensioner bolts, remove the tee in the timing chain tensioner to regain tension on the timing chain, remove the J 44221 from the camshafts, then align the marked links on the timing chain with the timing marks on the exhaust camshaft position actuator sprocket, the Intake camshaft sprocket, and on the crankshaft sprocket, finally install the engine front cover and the camshaft cover.