GM 97240416 Rod,Valve Push

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The first step is to loosen and remove the rocker arms and store them in marked containers along with the rocker arm support bars.

To remove the valve covers from the cylinder heads, first, remove the rocker arm pivot bolts one at a time and take out the rocker arms, bolts, and pivot support pedestal. Keep track of their positions and store them separately. Next, remove the pushrods and store them in order. For inspection, check each rocker arm for wear, cracks, and damage, as well as the pivot bearings for binding and roughness. Replace the rocker arm if the bearings are worn or damaged. Also, inspect the rocker arm pivot support pedestal for cracks. Ensure the hole at the pushrod end of each rocker arm is open and check the pushrods for cracks, excessive wear, and clogged oil holes. Install the pushrods in their original locations, lubricating them with clean engine oil or assembly lube. Apply engine assembly lube to the valve stems and pushrod ends to prevent damage. Apply clean engine oil to the pivot shaft and bearing of each rocker arm and loosely install them in their original locations. Rotate the crankshaft to TDC on the compression stroke for the number one piston and tighten the intake valve rocker arms for specific cylinders. Rotate the crankshaft 360 degrees and tighten the intake valve rocker arms for other cylinders. Finally, install the valve covers, start the engine, listen for unusual valve train noise, and check for oil leaks.

Next, remove the pushrods and store them in order.

The pushrods should be inspected for cracks, excessive wear, and bending.