The ECT sensor is located near the front of the
intake manifold (Fig. 35).
(1) Partially drain cooling system. Refer to Group
7, Cooling.
(2) Disconnect electrical connector from ECT sen-
sor.
(3) Remove sensor from intake manifold.
INSTALLATION
(1) Install sensor.
(2) Tighten to 11 N·m (8 ft. lbs.) torque.
(3) Connect electrical connector to sensor.
(4) Replace any lost engine coolant. Refer to Group
7, Cooling System.
INTAKE MANIFOLD AIR TEMPERATURE
SENSOR—3.9/5.2/5.9L ENGINES
The intake manifold air temperature sensor is
located in the front/side of the intake manifold (Fig.
36).
REMOVAL
(1) Remove air duct at throttle body.
(2) Disconnect electrical connector at sensor (Fig.
36).
(3) Remove sensor from intake manifold.
Fig. 33 Air Cleaner Housing Assembly
1 – AIR CLEANER ELEMENT COVER
2–TABS
3 – HOUSING
Fig. 34 Engine Coolant Temperature Sensor—3.9/
5.2/5.9L Engines—Typical
1 – GENERATOR
2 – A/C COMPRESSOR
3 – ENGINE COOLANT TEMPERATURE SENSOR
4 – ELEC. CONN.
Fig. 35 Engine Coolant Temperature Sensor—4.7L
V–8 Engine
1 – ECT SENSOR
2 – MOUNTING BOLTS (2)
3 – MAP SENSOR
4 – INTAKE MANIFOLD
14 - 52 FUEL SYSTEM DN
REMOVAL AND INSTALLATION (Continued)
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