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INSTALLATION (1) Install intake manifold gaskets. tighten in sequence shown in (Fig. 43) to 12 N·m (4) Install left and right radio suppressor straps. to throttle body. (8) Install fuel rail. components: • Manifold Absolute Pressure (MAP) Sensor • Intake Air Temperature (IAT) Sensor • Throttle Position (TPS) Sensor • Coolant Temperature (CTS) Sensor • Idle Air Control (IAC) Motor • Ignition coil towers • Fuel injectors ground strap. (13) Install right side engine lifting stud. tions. (15) Connect Vapor purge hose, Brake booster hose, Speed control servo hose, Positive crankcase (16) Install air conditioning compressor including electrical connections. (17) Fill cooling system. Refer to Group 7, Cooling System for procedure. (18) Install accessory drive belt. resonator. Tighten resonator bolts 4.5 N·m (40 in. (21) Connect negative cable to battery. EXHAUST MANIFOLDS RIGHT EXHAUST MANIFOLD REMOVAL (1) Disconnect negative cable for battery. teners and set aside. (4) Remove battery tray assembly. Cooling System for procedures. (7) Remove A/C compressor from mounting and set aside. (8) Remove A/C accumulator support bracket fas- tener. (9) Drain coolant below heater hose level. Refer to Group 7, Cooling System for procedures. (10) Remove heater hoses at engine. heat shield. (12) Remove heat shield. teners. (14) Raise vehicle on hoist. starter aside. (17) Remove lower exhaust manifold attaching fas- teners. (18) Remove exhaust manifold and gasket. Mani- fold is removed from below the engine compartment. INSTALLATION (1) Install exhaust manifold and gasket from below engine compartment. (2) Install lower exhaust manifold fasteners. DO NOT tighten until all fasteners are in place. (3) Lower vehicle and install upper exhaust mani- fold fasteners. Tighten all manifold bolts starting at CAUTION: Over tightening heat shield fasteners, (4) Install exhaust manifold heat shield. Tighten fasteners to 8 N·m (72 in. lbs.), then loosen 45 (5) Install starter and fasteners. Fig. 43 Intake Manifold Tightening Sequence 9 - 94 4.7L ENGINE WJ REMOVAL AND INSTALLATION (Continued) |