Removal Procedure
Notice:
• Use care when servicing the fuel system components, especially
the fuel injector electrical connectors, the fuel injector tips, and
the injector O-rings. Plug the inlet and the outlet ports of the fuel rail
in order to prevent contamination. • Do not use compressed air to clean the fuel rail assembly as this
may damage the fuel rail components. • Do not immerse the fuel rail assembly in a solvent bath in order
to prevent damage to the fuel rail assembly.
Notice: Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering the open pipes and passages.
Important:
• When servicing the fuel rail assembly, take precautions to prevent dirt and other contaminants from entering the fuel passages. Cap the fittings and plug the holes during servicing. • Always maintain cleanliness when servicing fuel system components.
- Relieve the fuel pressure from the fuel system. Refer to Fuel Pressure Relief .
- Clean the fuel rail assembly and the fuel feed pipe.
- Disconnect the fuel feed pipe (1) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
- Remove the spark plug wires from the fuel rail.
- Disconnect and reposition the spark plug wires from the ignition control module.
- Disconnect the fuel injector electrical connectors.
- Remove the fuel rail hold-down nuts (2).
- Remove the fuel rail (1) with the fuel injectors (3) with equal force on both sides of the fuel rail.
Installation Procedure
Caution: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always install the fuel injector O-rings in the proper position. If the upper and lower O-rings are different colors (black and brown), be sure to install the black O-ring in the upper position and the brown O-ring in the lower position on the fuel injector. The O-rings are the same size but are made of different materials.
Notice:
• Use care when servicing the fuel system components, especially
the fuel injector electrical connectors, the fuel injector tips, and
the injector O-rings. Plug the inlet and the outlet ports of the fuel rail
in order to prevent contamination. • Do not use compressed air to clean the fuel rail assembly as this
may damage the fuel rail components. • Do not immerse the fuel rail assembly in a solvent bath in order
to prevent damage to the fuel rail assembly.
- The O-rings must be replaced on all components that are serviced.
- Lightly oil the fuel injector O-rings with clean engine oil.
- Place the fuel rail (1) with the fuel injectors (3) on the intake manifold.
- Seat the fuel injectors (3) by HAND.
- Install the fuel rail hold-down nuts (2).
- Connect the fuel injector electrical connectors.
- Reposition the spark plug wires to the fuel rail.
- Connect the spark plug wires to the ignition control module.
- Connect the fuel feed pipe (1) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
- Tighten the fuel fill cap.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
- Inspect for leaks.
- Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement for the 3.8L engine.
Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Tighten
Tighten the nuts to 10 N·m (89 lb in).
| 12.1. | Turn ON the ignition for 2 seconds. |
| 12.2. | Turn OFF the ignition for 10 seconds. |
| 12.3. | Turn ON the ignition. |
| 12.4. | Inspect for fuel leaks. |
