Removal and Installation: Removal
WARNING: This page is about a different variant/trim than selected.
WARNING:
- Be sure to read Precaution for Handling High Pressure Fuel System when working on the high pressure fuel system.
- Put a "CAUTION: FLAMMABLE" sign in the workshop.
- Be sure to work in a well ventilated area and furnish workshop with a CO 2 fire extinguisher.
- Do not smoke while servicing fuel system. Keep open flames and sparks away from the work area.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
- Release fuel pressure. Refer to Work Procedure .
- Remove intake manifold. Refer to Removal and Installation .
- Remove fuel feed tube (pump side) and fuel feed tube (bank side).CAUTION: Do not reuse fuel feed tube.
- Disconnect harness connector from fuel injectors.
- Loosen fuel rail (bank 1) and fuel rail (bank 2) nuts and bolts in the reverse sequence shown.
Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION:- Be careful with remaining fuel that may come out from fuel rail (bank 1) or fuel rail (bank 2).
- Be careful not to damage injector nozzles during removal.
- Do not bump or drop fuel injector.
- Do not disassemble fuel injector.
: Engine front
- Remove fuel injector (1) from fuel rail (2).
- Remove fuel injector holder (5) from fuel injector.CAUTION: Do not reuse fuel injector holder (5), O-ring [blue (3)] and back-up ring (4).
(A)
: Injector protrusion
(B)
: Fuel rail cutout
- Cut seal ring (1) while pinching it. Be careful not to damage injector.
- Remove insulator from fuel injector bore in cylinder head.NOTE: Insulator may stuck to fuel injector when it is removed.
- Remove fuel rail pressure sensor from fuel rail [bank 1 (if necessary)].