Dodge Nitro. Manual - part 660

REMOVAL 

FUEL PUMP MODULE 

Fig. 21: Identifying Drive Breaker Bar, Lockring Remover/Installer Tool 9340 & Lockring 
Courtesy of CHRYSLER LLC 

1. Drain and remove fuel tank. Refer to REMOVAL .  

2. Note rotational position of module before attempting removal. An indexing arrow is located on top of 

module for this purpose.  

3. Position special Lockring Remover/Installer tool 9340 (3) into notches on outside edge of lockring (5).  

4. Install 1/2 inch drive breaker bar (1) to special Lockring Remover/Installer tool 9340 (3).  

5. Rotate breaker bar counter-clockwise to remove lockring.  

6. Remove lockring. The module will spring up slightly when lockring is removed.  

7. Remove module from fuel tank. Be careful not to bend float arm while removing.  

INSTALLATION 

FUEL PUMP MODULE 

WARNING:

The fuel system is under a constant pressure (even with the engine off). 
Before servicing the fuel pump module, the fuel system pressure must be 
released. Refer to STANDARD PROCEDURE 

CAUTION: Whenever the fuel pump module is serviced, the rubber seal (gasket) must 

be replaced.

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

Fig. 22: Identifying Drive Breaker, Lockring Remover/Installer 9340 & Lockring 
Courtesy of CHRYSLER LLC 

1. Using a new seal (gasket), position fuel pump module into opening in fuel tank.  

2. Position lockring (5) over top of fuel pump module.  

3. Rotate module until embossed alignment arrow points to center alignment mark. This step must be 

performed to prevent float from contacting side of fuel tank.  

4. Install Lockring Remover/Installer 9340 (3) to lockring.  

5. Install 1/2 inch drive breaker (1) into Lockring Remover/Installer 9340 (3).  

6. Tighten lockring (clockwise) until all seven notches have engaged.  

7. Install fuel tank.  

RAIL-FUEL 

REMOVAL 

REMOVAL - 3.7L 

WARNING:

The fuel system is under constant pressure even with engine off. Before 
servicing fuel rail, fuel system pressure must be released.

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

Fig. 23: Removing/Installing Fuel Rail - 3.7L 
Courtesy of CHRYSLER LLC 

1 - MOUNTING BOLTS (4)
2 - QUICK-CONNECT FITTING
3 - FUEL RAIL
4 - INJ. #1
5 - INJ. #3
6 - INJ. #5
7 - INJ. #2
8 - INJ. #4
9 - INJ. #6
10 - CONNECTOR TUBE

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro

  

1. Remove fuel tank filler tube cap.  

2. Perform Fuel System Pressure Release Procedure. See STANDARD PROCEDURE.  

3. Remove negative battery cable at battery.  

4. Remove air duct at throttle body air box.  

5. Remove air box at throttle body.  

6. Disconnect fuel line latch clip and fuel line at fuel rail. A special tool will be necessary for fuel line 

disconnection. See STANDARD PROCEDURE.  

7. Remove necessary vacuum/vapor lines at throttle body. 

CAUTION: The left and right fuel rails are replaced as an assembly. Do not attempt to 

separate rail halves at connector tube (10). Due to design of tube, it does 
not use any clamps. Never attempt to install a clamping device of any kind 
to tube. When removing fuel rail assembly for any reason, be careful not to 
bend or kink tube.

 

2007 Dodge Nitro R/T 

2007 ENGINE Fuel System - Nitro