Dodge Nitro. Manual — part 519

The Engine Coolant Temperature (ECT) sensor (3) is installed into a water jacket at front of intake manifold
near rear of generator.

1. Partially drain cooling system.

2. Disconnect electrical connector from sensor.

3. Remove sensor from intake manifold.

REMOVAL-2.8L DIESEL

1 - MOUNTING SCREWS
2 - MAP SENSOR
3 - ECT SENSOR
4 - FRONT OF INTAKE MANIFOLD

WARNING:

Hot, pressurized coolant can cause injury by scalding. Cooling system
must be partially drained before removing the coolant temperature
sensor.

2007 Dodge Nitro R/T

2007 ENGINE Cooling - Nitro

Fig. 48: Cylinder Head Assembly
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 ENGINE Cooling - Nitro

1. Disconnect negative battery cable.

2. Drain the cooling system. See STANDARD PROCEDURE.

3. Disconnect coolant temperature sensor electrical connector.

4. Remove coolant temperature sensor (3) from cylinder head.

INSTALLATION

INSTALLATION-3.7L ENGINE

1 - CYLINDER HEAD BOLT
2 - GLOW PLUG
3 - COOLANT FITTING
4 - CYLINDER HEAD ALIGNMENT DOWEL
5 - GLOW PLUG HARNESS
6 - CYLINDER LINER
7 - CYLINDER BLOCK
8 - CYLINDER HEAD GASKET
9 - CYLINDER HEAD
10 - ROCKER ARM ASSEMBLIES

WARNING:

Do not remove or loosen the coolant pressure/vent cap, cylinder block
drain plugs, or the draincock when the system is hot and under pressure
because serious burns from the coolant can occur.

2007 Dodge Nitro R/T

2007 ENGINE Cooling - Nitro

Fig. 49: Removing/Installing MAP Sensor/ECT Sensor
Courtesy of CHRYSLER LLC

1. Apply thread sealant to sensor threads.

2. Install sensor to engine.

3. Tighten coolant temperature sensor to 11 N.m (8 ft. lbs.) torque.

4. Replace any lost engine coolant.

1 - MOUNTING SCREWS
2 - MAP SENSOR
3 - ECT SENSOR
4 - FRONT OF INTAKE MANIFOLD

2007 Dodge Nitro R/T

2007 ENGINE Cooling - Nitro