Rail, Fuel: Installation: CNG

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Rail, Injectors & Fasteners

Courtesy of CHRYSLER GROUP, LLC

NOTE:

If the same fuel injector is to be reinstalled, install new O-rings.

NOTE:

Apply a small amount of clean engine oil to each injector O-ring. This will aid in the installation.

Install the fuel injector (4) into the fuel rail (1) using a side to side motion while pushing injector into the fuel rail assembly.
Using suitable pliers, install the fuel injector retaining clip (3).

Fig 2: CNG Fuel Rail Pressure Sensor, Fuel Rail & Fuel Supply Line
Courtesy of CHRYSLER GROUP, LLC
Install the fuel rail assembly (2) into the intake manifold using a side to side motion.
Install the Fuel rail bolts (3). Tighten the bolts to 5 N.m (44 in. lbs.).
Connect the fuel rail sensor electrical connector (1).
Install the CNG fuel supply line (4) onto the fuel rail.
Connect the fuel injectors electrical connectors.
NOTE:
Standard gasoline engine shown in illustration. CNG engine similar.

Fig 3: PCV Hose & Fuel Line Quick Connect Fitting
Courtesy of CHRYSLER GROUP, LLC
Connect the breather hose (3).
Connect the PCV hose (1) to the PCV.

Fig 4: Clean Air Tube, IAT Sensor Electrical Connector & Air Cleaner Housing
Courtesy of CHRYSLER GROUP, LLC
Install the air cleaner housing cover (3) and intake hose (1) to the throttle body.
Connect the IAT sensor electrical connector (2).
Start the engine and check for fuel leaks using a air leak detection fluid.