Chevrolet 14087014 Timing Chain

Remove the timing chain cover and temporarily install the harmonic balancer bolt and washer in the end of the crankshaft. Turn the crankshaft so that the sprocket timing marks are positioned toward each other, then remove the harmonic bolt and washer without changing the position of the sprockets, using a sharp tap on the wrench handle if necessary. Next, remove the front crankshaft oil slinger and the camshaft sprocket bolts, followed by the oil pan. Use two large screwdrivers to carefully pry the camshaft sprocket and then the crankshaft sprocket forward alternately until the camshaft sprocket is free, then remove both the camshaft sprocket and chain, and work the crankshaft sprocket off the crankshaft. If the chain is not stretched and parts are to be re-used, clean the timing chain, sprockets, and crankshaft oil slinger thoroughly in the proper solvent. If the engine was not rotated while the chain and sprockets were off, install the sprockets and chain with the timing marks perfectly in line, exactly as they were on removal. If the engine was rotated, temporarily install the sprockets and turn the crankshaft until the number one piston is at Top Dead Center and the camshaft O mark is straight down and on the centerline of both shafts. Remove the sprockets and assemble the timing chain on both sprockets, sliding the chain assembly onto the shafts with the O marks in their closest together positions and in line with the sprocket hubs. Assemble the oil slinger on the crankshaft with the inside diameter against the sprocket, then install the camshaft sprocket bolts and torque-tighten to specifications. Finally, install the oil pan using a new gasket and the timing chain cover.