2010 Chevrolet Express 3500 Rocker Arm

The procedure is to lubricate the valve rocker arms and Pushrods with clean engine oil, the flange of the valve rocker arm bolts with clean engine oil, and the flange or washer surface of the bolt that will contact the valve rocker arm, install the valve rocker arm pivot support, the pushrods and the rocker arms and bolts, rotate the crankshaft until the number one piston is at the top dead center (TDC) of the compression stroke, tighten the valve rocker arm bolts, rotate the crankshaft 360 degrees, tighten the valve rocker arm bolts, and then install the valve rocker arm cover.

The procedure is to remove the cylinder head and gasket, the Valve Lifter guide bolts, and the valve lifters and guide, use J 3049-A or equivalent to remove the valve lifters and then remove the valve lifters from the guide.

You can clean the cylinder head Valve Spring seat and/or shim area, lubricate the valve guide and valve stem oil seal with clean engine oil, install the valve stem oil seal and shim, the valve spring, and the valve spring cap, compress the valve spring using the J 38606, install the valve keys, remove J 22794 from the spark plug port, hand start the spark plug, and then install the spark plug wires at the ignition coil, the spark plug wire to the spark plug and the valve rocker arm.