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(2) Disconnect coolant temperature sensor wire connector. (3) Remove sensor from thermostat housing. INSTALLATION (1) Apply sealant to sensor threads (new replace- ment sensors will have sealant already applied). (2) Install coolant temperature sensor into thermo- stat housing. Tighten to 11 N·m (8 ft. lbs.) torque. (3) Connect wire connector. System. INTAKE MANIFOLD AIR TEMPERATURE The intake manifold air temperature (IAT) sensor is installed into intake manifold plenum near throttle REMOVAL (1) Disconnect electrical connector from IAT sen- sor. (2) Remove sensor from intake manifold. INSTALLATION (1) Install IAT sensor into intake manifold. Tighten sensor to 28 N·m (20 ft. lbs.) torque. (2) Connect electrical connector to sensor. Fig. 40 Engine Coolant Temperature Sensor— Typical 1 – THERMOSTAT Fig. 41 IAT Sensor Location—4.0L Engine 1 – MOUNTING BOLTS (4) Fig. 42 IAT Sensor Location—2.5L Engine 1 – ELECTRICAL CONNECTOR 14 - 50 FUEL SYSTEM XJ REMOVAL AND INSTALLATION (Continued) |