When serving and repairing the rocker arm assembly, first remove the cylinder head and check for any rocker arm bridges that could stop the valve tip from aligning properly. Then, hold the guitar firmly with one hand and turn each capscrew at the bridge and pivot assembly just a little at a time, alternating between them to keep the bridges from being damaged. Start by removing the bridges, pivots and rocker arms so they don't mix up and then remove the push rods in the same order as you put them on the bench. Spray all the hardware with solvent and blow oil out of the rocker arms and push rods using compressed air. Thoroughly review pivot parts on the rocker arm shaft for indications of scuffing, pitting, fractures and harsh wear and watch for deep pitting on the valve stem tip. Check every push rod end for more wear than usual and change it if necessary, always paying attention to the corresponding hydraulic tappet if one shows any evidence of too much use. Let the push rods roll across a smooth surface or find the spot where light passes through the gap between the push rod and the surface. A line of wear along the push rod may be a sign of a blockage in the engine cylinder head. Just before installing the push rods, coat the tops and bottoms of each ball end in Mopar Engine Oil Supplement or a similar product and make sure that when you install them, the bottom ends of the rods are centered in the tappet plunger cap seat. Coat the rocker arm contact areas, both on the rockers and cylinder head, with Mopar Engine Oil Supplement or similar oil and place all rockers, pivots and bridges above each cylinder according to the original design. Install each capscrew loosely through a bridge, then turn them alternately, just one turn at a time, to make sure the force is the same and nothing else is touched, with a torque of 28 Nm (21 ft. lbs.). The last step is to put back the engine cylinder head cover.