2009 Chevrolet Trailblazer Idler Pulley

First, you need to remove the camshaft cover, and the engine front cover, release the tension on the Timing Chain and place the tee into the tensioner to hold the shoe in place. Then, please remove the exhaust camshaft position actuator, the intake camshaft sprocket, the timing chain, and the crankshaft sprocket. Finally, you should remove the cylinder head access hole plugs, the timing chain tensioner shoe, the timing chain tensioner guide, and the timing chain tensioner.

First, you need to remove the drive belt. Then, please remove the drive Belt Tensioner bolt. Finally, you should remove the drive belt tensioner.

First, you need to remove the Camshaft cover and rotate the engine until the word Delphi on the exhaust camshaft position actuator is lined up parallel with the cylinder head to the cam cover mating surface. Then, please use the timing mark on the exhaust camshaft position actuator sprocket as a reference to make a mark on the timing chain link across from it and install the J-44217. Finally, you should remove the exhaust camshaft position actuator bolt and the exhaust camshaft position actuator.