CAUTION / NOTICE / HINT
Note
When replacing the parts in the following chart (A), replace the No. 1 injection pipe sub-assembly, No. 2 injection pipe sub-assembly and/or fuel inlet pipe sub-assembly with new ones.
Replaced Parts (A) | Pipes Requiring New Replacement |
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After removing the No. 1 injection pipe sub-assembly, No. 2 injection pipe sub-assembly and/or fuel inlet pipe sub-assembly, clean them with a brush and compressed air.
The common rail assembly is a precision instrument. Do not use the common rail assembly if it is struck or dropped.
Hold the common rail assembly itself during removal and installation. Do not hold the pressure discharge valve or fuel pressure sensor, etc.
Make sure foreign matter does not enter the fuel path.
PROCEDURE
PRECAUTION
Note
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE EGR COOLER SUB-ASSEMBLY AND NO. 2 EGR VALVE ASSEMBLY WITH ELECTRIC EGR CONTROL VALVE ASSEMBLY (w/ EGR Cooler)
REMOVE ELECTRIC EGR CONTROL VALVE ASSEMBLY (w/o EGR Cooler)
REMOVE EGR VALVE ADAPTER (w/o EGR Cooler)
REMOVE WIRING HARNESS CLAMP BRACKET
REMOVE NO. 1 AND NO. 2 INJECTION PIPE SUB-ASSEMBLY
REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY (w/ DPF)
REMOVE FUEL INLET PIPE SUB-ASSEMBLY
REMOVE NO. 4 FUEL HOSE
Slide the clamp and disconnect the No. 4 fuel hose from the common rail assembly.
REMOVE COMMON RAIL ASSEMBLY
Detach the wire harness clamp.
Disconnect the fuel pressure sensor connector from the common rail assembly.
Remove the 2 nuts and common rail assembly.
Note
Do not remove the pressure discharge valve or fuel pressure sensor.