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INSTALLATION (1) Inspect the engine cylinder head cover for cracks. Replace the cover, if cracked. NOTE: The original dark grey gasket material should NOT be removed. If sections of the gasket (2) If a replacement cover is installed, transfer the CCV valve grommet the oil filler cap from the origi- (3) Install engine cylinder head cover. Tighten the mounting bolts to 13 N·m (115 in. lbs.) torque. (4) Connect the CCV hoses (Fig. 52). ROCKER ARMS AND PUSH RODS This procedure can be done with the engine in or out of the vehicle. REMOVAL (1) Remove the engine cylinder head cover. (Refer to procedure in this section) (2) Check for rocker arm bridges which are caus- ing misalignment of the rocker arm to valve tip area. (3) Remove the capscrews at each bridge and pivot assembly (Fig. 53). Alternately loosen the capscrews (4) Remove the bridges, pivots and corresponding pairs of rocker arms (Fig. 53). Place them on a bench (5) Remove the push rods and place them on a bench in the same order as removed. (6) Clean all the components with cleaning sol- vent. (7) Use compressed air to blow out the oil passages in the rocker arms and push rods. INSTALLATION (1) Lubricate the ball ends of the push rods with Mopar Engine Oil Supplement, or equivalent and (2) Using Mopar Engine Oil Supplement, or equiv- alent, lubricate the area of the rocker arm that the Fig. 52 Engine Cylinder Head Cover 1 – AIR INLET FITTING Fig. 53 Rocker Arm Assembly 1 – CAPSCREWS 9 - 36 2.5L ENGINE XJ REMOVAL AND INSTALLATION (Continued) |