Dodge Nitro. Manual - part 136

1. Perform fuel pressure release procedure. Refer to STANDARD PROCEDURE .  

2. Drain the cooling system.  

3. Disconnect the upper radiator hose from the thermostat housing.  

4. Remove the upper intake manifold. See REMOVAL.  

5. Reposition power steering fluid reservoir and bracket.  

6. Disconnect the electrical connectors to fuel injectors and coolant temperature sensor. 

Fig. 273: Coolant Pipe, Heater Hose & Coolant Reservoir Hose 
Courtesy of CHRYSLER LLC 

1 - COOLANT PIPE
2 - HEATER HOSE

 

2007 Dodge Nitro R/T 

2007 ENGINE 4.0L - Service Information - Nitro

  

7. Disconnect heater hose from the rear intake manifold. See Fig. 273.  

8. Disconnect the coolant container hose at the rear intake manifold. See Fig. 273. 

Fig. 274: Fuel Rail, Ignition Coil, Lower Intake Manifold & PCV Valve 
Courtesy of CHRYSLER LLC 

3 - COOLANT RESERVOIR HOSE

1 - FUEL RAIL
2 - IGNITION COIL
3 - LOWER INTAKE MANIFOLD

 

2007 Dodge Nitro R/T 

2007 ENGINE 4.0L - Service Information - Nitro

  

9. Disconnect the fuel supply hose from fuel rail (Refer to FUEL LINES ). See Fig. 274.  

10. Remove the bolts attaching fuel rail.  

11. Remove fuel rail and injectors as an assembly.  

12. Remove bolts attaching lower intake and remove intake manifold. See Fig. 272.  

MANIFOLD-INTAKE-UPPER 

Fig. 275: Removing/Installing Inlet Hose And IAT Sensor Harness Connector 
Courtesy of CHRYSLER LLC 

1. Disconnect negative battery cable.  

2. Disconnect the IAT sensor electrical connector.  

3. Remove air inlet hose from the throttle body. See Fig. 275. 

4 - PCV VALVE

 

2007 Dodge Nitro R/T 

2007 ENGINE 4.0L - Service Information - Nitro

  

Fig. 276: Locating Manifold Absolute Pressure Sensor 
Courtesy of CHRYSLER LLC 

4. Disconnect the MAP sensor electrical connector. 

 

2007 Dodge Nitro R/T 

2007 ENGINE 4.0L - Service Information - Nitro