Fuel Injector

REMOVAL & INSTALLATION

2.5L Engine

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Relieve the fuel system pressure.
3. Remove or disconnect the following:
   • Negative battery cable
   • Air cleaner housing and fresh air duct
   • Mass Air Flow (MAF) sensor
   • Intake manifold
   • Fuel injector harness connectors
   • Fuel lines
   • Pressure regulator vacuum hose
   • Fuel supply manifold with injectors attached
   • Fuel injectors

   To install:

4. Install or connect the following:
   • Fuel injectors with new O-ring seals
   • Fuel supply manifold with injectors attached. Tighten the bolts to 72–101 inch lbs. (8–11 Nm).
   • Pressure regulator vacuum hose
   • Fuel lines
   • Fuel injector harness connectors
   • Intake manifold
   • MAF sensor
   • Air cleaner housing and fresh air duct
   • Negative battery cable
5. Start the engine and check for leaks.

3.0L Engine

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Drain the cooling system.
3. Relieve the fuel system pressure.
4. Remove or disconnect the following:
   • Negative battery cable
   • Fresh air duct
   • Air intake hose
   • Air cleaner assembly
   • Mass Air Flow (MAF) sensor
   • Accelerator cable
   • Cruise control cable
   • Idle Air Control (IAC) valve connector and hoses
   • Bypass air solenoid valve connector, if equipped
   • Vacuum solenoid valve connectors
   • Upper radiator hose
   • Heater hose
   • Bypass hose
   • Intake manifold vacuum lines
   • Upper intake manifold
   • Fuel lines
   • Fuel supply manifold with injectors attached
   • Fuel injectors

   To install:

5. Install or connect the following:
   • Fuel injectors with new O-ring seals
   • Fuel supply manifold. Tighten the nuts to 14–18 ft. lbs. (19–25 Nm).
   • Fuel lines
   • Upper intake manifold with injectors attached. Tighten the bolts to 70–95 inch lbs. (8–11 Nm).
   • Intake manifold vacuum lines
   • Bypass hose
   • Heater hose
   • Upper radiator hose
   • Vacuum solenoid valve connectors
   • Bypass air solenoid valve connector, if equipped
   • IAC valve connector and hoses
   • Accelerator cable
   • Cruise control cable
   • MAF sensor
   • Air cleaner assembly
   • Air intake hose
   • Fresh air duct
   • Negative battery cable
6. Fill the cooling system.
7. Start the engine and check for leaks.