Durango 4WD V8-5.9L VIN Z (1998)
Fuel Injector: Service and Repair
Fig 21 Injector Mounting
Fig 22 Injector Retaining Clips-typical Injector
WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE EVEN WITH ENGINE TURNED OFF. BEFORE SERVICING
FUEL INJECTOR(S), FUEL SYSTEM PRESSURE MUST BE RELEASED.
NOTE: Prior to beginning procedure -- release fuel pressure, refer to Fuel System Pressure Release Procedure.
TIP: To remove one or more fuel injectors, fuel rail assembly must be removed from engine.
REMOVAL
1. Remove air cleaner assembly
2. Remove fuel injector rail assembly Refer to Fuel Injector Rail Removal/Installation.
3. Remove clip(s) retaining the injector(s) to fuel rail.
4. Remove injector(s) from fuel rail.
INSTALLATION
1. Apply a small amount of clean engine oil to each fuel injector O-ring.
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This will help in fuel rail installation.
2. Install injector(s) and injector clip(s) to fuel rail.
3. Install fuel rail assembly Refer to Fuel Injector Rail Removal/Installation.
4. Install air cleaner.
5. Start engine and check for leaks.