Intake Manifold Air Temperature Sensor - Jeep cherokee 2000 Service Manual

14 - 50 FUEL SYSTEM
REMOVAL AND INSTALLATION (Continued)
Fig. 40 Engine Coolant Temperature Sensor—
1 – THERMOSTAT
2 – ENGINE COOLANT TEMPERATURE SENSOR
3 – ELECTRICAL CONNECTOR
(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.
(4) Fill cooling system. Refer to Group 7, Cooling
System.
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR
The intake manifold air temperature (IAT) sensor
is installed into intake manifold plenum near throttle
body (Fig. 41) or (Fig. 42).
REMOVAL
(1) Disconnect electrical connector from IAT sen-
sor.
(2) Remove sensor from intake manifold.
INSTALLATION
(1) Install IAT sensor
Tighten sensor to 28 N·m (20 ft. lbs.) torque.
(2) Connect electrical connector to sensor.
Typical
into intake manifold.
Fig. 41 IAT Sensor Location—4.0L Engine
1 – MOUNTING BOLTS (4)
2 – THROTTLE BODY
3 – IAC MOTOR
4 – ELEC. CONN.
5 – TPS
6 – MAP SENSOR
7 – ELEC. CONN.
8 – IAT SENSOR
9 – ELEC. CONN.
Fig. 42 IAT Sensor Location—2.5L Engine
1 – ELECTRICAL CONNECTOR
2 – INTAKE MANIFOLD TEMPERATURE SENSOR
3 – FUEL INJECTOR
XJ