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side has a 3mm diameter oil passage hole from the (1) Check the rocker arm mounting portion of the shafts for wear or damage. Replace if heavily dam- (2) Check oil holes for clogging with small wire, clean as required (Fig. 7). REASSEMBLE (1) Align the camshaft bearing caps with arrows (depending on cylinder bank) directed as shown in Identify number one bearing cap number one and number four caps are similar (Fig. 9). (2) Install rocker shafts so that bearing cap num- ber one with end notches positioned as shown in Fig- (3) Insert attaching bolts to retain assembly. ASSEMBLE ROCKER ASSEMBLY Install the rocker arms, bearing caps and springs. Springs are the same and can be used at all INSTALL ROCKER ARM SHAFT ASSEMBLY (1) Apply Mopar Silicone Rubber Adhesive Sealant at bearing cap ends as shown in (Fig. 8). (2) Install the rocker arm shaft assembly making sure that the arrow mark on the bearing cap and the The direction of arrow marks on the front and rear assemblies are opposite to each other. (3) Tighten bearing cap bolts in the following order to 10 N Im (85 in. lbs.). First #3, then #2, #1 and #4. (4) Repeat step 3 increasing the torque to 20 N Im (180 in.lbs.). (5) Install distributor drive adaptor assembly (Fig. 11). CAMSHAFT OIL SEAL SERVICE— ENGINE (1) Apply light coat of engine oil to the camshaft oil seal lip. (2) Install the oil seal using camshaft oil seal in- staller tool MD998713 (Fig. 12). CAMSHAFT END SEAL (PLUG) SERVICE— IN (1) Remove air cleaner assembly from engine. remove cam plug from cylinder head. (3) Clean the area of the cylinder head where the new cam plug will be installed. (4) Apply a light coating of Mopar Silicone Rubber Adhesive Sealant to the outer diameter of the NEW (5) Using a suitable installing tool and a hammer, Fig. 7 Rocker Arm Shaft Identification Fig. 8 Camshaft Bearing Caps Position Fig. 9 Number One Camshaft Bearing Cap Ä 3.0L ENGINE 9 - 77 |