Fuel Injector: Removal
WARNING:
NO SPARKS, OPEN FLAMES OR SMOKING. RISK OF POISONING FROM INHALING AND SWALLOWING FUEL. RISK OF INJURY TO EYES AND SKIN FROM CONTACT WITH FUEL. POUR FUELS ONLY INTO SUITABLE AND APPROPRIATELY MARKED CONTAINERS. WEAR PROTECTIVE CLOTHING.
NOTE:
When removing injectors, the seal rings and retaining stretch bolts must always be replaced. Coat the injector body with the anti-seize compound before installing. Keep lubricant away from the injector nozzle.
- Disconnect negative battery cable.
- Remove engine cover (Refer to ENGINE - REMOVAL) .
- Remove the fuel return hose locking clamps at the injector and remove return hose.
- Disconnect the injector electrical connector. See Fig 1.NOTE: Counterhold injection lines with wrench socket at threaded connections of injectors.
- Disconnect fuel injector high pressure line. See Fig 1.
- Remove fuel injector retaining bolt and tension claw, then remove the injector and seal. See Fig 1.NOTE: If injectors are tight, remove with extraction claw in place of tensioning claw. If extraction claw contacts cylinder head cover, remove cylinder head cover. If necessary, remove injectors with threaded adaptor and discard injector.
- Remove injectors. See Fig 1.
1 - FUEL INJECTOR RETURN LINE 2 - RETAINING CLIP 3 - INJECTOR HIGH PRESSURE LINE 4 - INJECTOR SEAL 5 - FUEL INJECTOR 6 - TENSIONING CLAW 7 - SPECIAL TOOLS #8938 AND # 8937 - Clean injectors and recesses (Refer to FUEL SYSTEM/FUEL INJECTION/FUEL INJECTOR - STANDARD PROCEDURE) .