Dodge Nitro. Manual - part 689

Fig. 139: Identifying Injector, Mounting Clamp, Mounting Bolt & Washer 
Courtesy of CHRYSLER LLC 

2. Install fuel injector retainer clamp (1), washer (3) and bolt (2). Tighten clamp bolt (2) to 33 N.m (24 ft. 

lbs.) torque.  

3. Connect electrical connector to fuel injector.  

4. Install fuel injector high-pressure lines. Refer to Fuel Line INSTALLATION. 

Fig. 140: Lifting Lock Buttons 
Courtesy of CHRYSLER LLC 

5. Position female fittings on fuel return line to male fittings at each fuel injector. Be sure lock buttons (1) 

are in up position before positioning.

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

Fig. 141: Pushing Each Lock Button Down To Secure Fuel Return Line To Each Fuel Injector 
Courtesy of CHRYSLER LLC 

6. After positioning, push each lock button (1) down to secure fuel return line to each fuel injector.  

7. Connect each fuel injector electrical connector.  

8. Connect negative battery cable.  

9. Perform the injector classification procedure with a diagnostic scan tool.  

10. Start the engine and allow to warm. Turn off the ignition switch and inspect for fuel leaks.  

11. Install engine dress-up cover.  

SENSOR-CRANKSHAFT POSITION 

REMOVAL 

REMOVAL 

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

Fig. 142: Identifying Crankshaft Hub, CKP Electrical Connector, CKP Mounting Bolt & CKP Sensor 
Courtesy of CHRYSLER LLC 

The Crankshaft Position Sensor (CKP) (4) is located between the transmission and the rear of the engine block. 
It is bolted to the engine block below the crankshaft hub (1). 

1. Raise and support vehicle.  

2. Remove access cover.  

3. Disconnect CKP electrical connector (2).  

4. Remove CKP mounting bolt (3).  

5. Remove CKP sensor (4).  

INSTALLATION 

INSTALLATION 

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

Fig. 143: Identifying Crankshaft Hub, CKP Electrical Connector, CKP Mounting Bolt & CKP Sensor 
Courtesy of CHRYSLER LLC 

The Crankshaft Position Sensor (CKP) (4) is located between the transmission and the rear of the engine block. 
It is bolted to the engine block below the crankshaft hub (1). 

1. Position CKP sensor (4) into mounting hole. 

2. Install CKP mounting bolt (3). Tighten bolt to 11 N.m (8 ft. lbs.) torque.  

3. Connect CKP electrical connector (2).  

4. Position CKP access cover. Install bolts and tighten to 15 N.m (11 ft. lbs.) torque.  

5. Lower vehicle.  

SENSOR-INTAKE AIR PRESSURE 

REMOVAL 

REMOVAL 

CAUTION: Before tightening sensor mounting bolt, be sure sensor is completely 

flush to cylinder block. If sensor is not flush, damage to sensor 
mounting tang may result.

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro