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(13) Install the intake and exhaust manifolds (refer to Group 11, Exhaust System and Intake Man- (14) Install the fuel supply line. Push until a “click” is heard. Reinstall latch clip. (15) If equipped, attach the power steering pump and bracket. (16) Install the push rods, rocker arms, pivots and bridges in the order they were removed. (17) Install the engine cylinder head cover. ing bracket to the engine cylinder head and block. (19) Attach the air conditioning compressor to the bracket. Tighten the bolts to 27 N·m (20 ft. lbs.) CAUTION: The accessory drive belt must be routed (20) Install the accessory drive belt and correctly tension the belt (refer to Group 7, Cooling System for (21) Install the air cleaner assembly. and fill the cooling system to the specified level (refer (23) Install the coolant temperature sending unit connector. (24) Connect negative cable to battery. hose at the thermostat housing. (26) Fill the cooling system. Check for leaks. WARNING: USE EXTREME CAUTION WHEN THE LINE WITH THE FAN. DO NOT PUT HANDS NEAR (27) Operate the engine with the radiator cap off. Inspect for leaks and continue operating the engine CYLINDER HEAD DISASSEMBLY (1) Use Valve Spring Compressor Tool MD-998772A and compress each valve spring. (2) Remove the valve locks, retainers, springs and valve stem oil seals. Discard the oil seals. (3) Use an Arkansas smooth stone or a jewelers file to remove any burrs on the top of the valve stem, (4) Remove the valves, and place them in a rack in the same order as removed. ASSEMBLY (1) Thoroughly clean the valve stems and the valve guide bores. (2) Lightly lubricate the stem. bore. (4) Install the replacement valve stem oil seals on the valve stems. If the 0.381 mm (0.015 inch) over- (5) Position the valve spring and retainer on the engine cylinder head and compress the valve spring (6) Install the valve locks and release the tool. hammer to ensure that the spring is properly seated HYDRAULIC TAPPETS REMOVAL Retain all the components in the same order as removed. (1) Remove the engine cylinder head cover (refer to procedure earlier in this section) (2) Remove the bridge and pivot assemblies and rocker arms by removing the capscrews at each (3) Remove the push rods. ings in the cylinder head with a Hydraulic Valve Fig. 59 Engine cylinder head Bolt Tightening Sequence 9 - 40 2.5L ENGINE XJ REMOVAL AND INSTALLATION (Continued) |