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(15) Install hood. ature is reached. (18) Adjust transmission or linkage if necessary. ROCKER ARMS AND SHAFT ASSEMBLY REMOVAL (1) Remove upper intake manifold assembly. Refer to Intake and Exhaust Manifolds, Group 11. (2) Disconnect spark plug wires by pulling on the boot straight out in line with plug. (3) Disconnect closed ventilation system and evap- oration control system from cylinder head cover. (4) Remove cylinder head cover and gasket. cleaning or replacement. Assemble rocker arms in INSTALLATION (1) Install rocker arm and shaft assemblies with the stamped steel retainers in the four positions, Im (250 in. lbs.) (Fig. 5). WARNING: THE ROCKER ARM SHAFT SHOULD BE TORQUED DOWN SLOWLY, STARTING WITH THE CENTERMOST BOLTS. AFTER INSTALLATION OF THE ROCKER SHAFTS BEFORE ENGINE OPERA- (2) Clean cylinder head cover gasket surface. In- spect cover for distortion and straighten if necessary. (3) Clean head rail if necessary. Install a new gas- ket and tighten cylinder head cover fasteners to 12 Im (105 in. lbs.). (4) Install closed crankcase ventilation system and evaporation control system. (5) Install spark plug wires. Exhaust Systems and Intake Manifolds Group 11. CYLINDER HEADS The alloy aluminum cylinder heads shown in (Fig. 6) are held in place by 9 bolts. The spark plugs are located REMOVAL (1) Drain cooling system refer to Cooling System Group 7 for procedure and disconnect negative battery Remove intake manifold, and throttle body. Refer to Group 11 Exhaust System and Intake Manifold. (2) Disconnect coil wires, sending unit wire, heater hoses and by-pass hose. (3) Remove closed ventilation system, evaporation control system and cylinder head covers. (4) Remove exhaust manifolds. move push rods and identify to insure installation (6) Remove the 9 head bolts from each cylinder head and remove cylinder heads (Fig. 7). Fig. 5 Rocker Arm Location Left Blank Fig. 6 Cylinder Head Assembly Fig. 7 Cylinder Head Bolts Location 9 - 102 3.3/3.8L ENGINE Ä |