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 |
|---|---|
|
|
|
Fuel inlet pipe sub-assembly |
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.
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
REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
| *A | w/ DPF |
| *B | w/o DPF |
Remove the engine oil level dipstick.
Disconnect the vacuum hose from the intake manifold.
Remove the bolt and engine oil level dipstick guide.
Remove the O-ring from the engine oil level dipstick guide.
DISCONNECT NO. 2 FUEL PIPE
Remove the bolt and disconnect the No. 2 fuel pipe.
REMOVE WIRING HARNESS CLAMP BRACKET
Disconnect the diesel throttle body assembly connector and pre-stroke control valve connector.
Detach the 2 wire harness clamps.
Remove the bolt and wiring harness clamp bracket.
REMOVE MANIFOLD STAY
Remove the bolt and disconnect the wiring harness clamp bracket from the intake manifold stay.
Remove the 2 bolts and manifold stay.
REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY (w/ DPF)
|
Union Bolt |
|
Bolt |
Disconnect the No. 4 fuel pipe sub-assembly from the No. 1 fuel pipe.
Remove the bolt from the intake manifold.
Remove the 2 union bolts and 2 gaskets from the supply pump assembly and fuel filter.
REMOVE NO. 3 FUEL PIPE (w/ DPF)
|
Union Bolt |
|
Supply Pump Hollow Screw |
Remove the union bolts, supply pump hollow screw and 2 gaskets from the supply pump assembly and fuel filter.
Remove the 2 fuel pipe clamps from the No. 3 fuel pipe and fuel filter.
REMOVE FUEL INLET PIPE SUB-ASSEMBLY
| *a | Common Rail Assembly Side |
| *b | Fuel Supply Pump Assembly Side |
Remove the 2 bolts, No. 1 injection pipe clamp and No. 2 injection pipe clamp.
Using SST, loosen the fuel inlet pipe sub-assembly union nut of the common rail assembly side.
Note
If the No. 1 or No. 2 injection pipe clamp is removed from the inlet pipe sub-assembly, replace the No. 1 or No. 2 injection clamp with a new one.
Using a 19 mm union nut wrench, loosen the inlet pipe sub-assembly union nut of the fuel supply pump assembly side.
REMOVE NO. 2 NOZZLE LEAKAGE PIPE ASSEMBLY
Slide the clamps and remove the No. 4 fuel hose from the No. 2 nozzle leakage pipe assembly and common rail assembly.
Slide the 2 clamps and remove the No. 5 fuel hose from the No. 1 nozzle leakage pipe assembly and No. 2 nozzle leakage pipe assembly.
Slide the clamp and disconnect the No. 6 fuel hose from the No. 3 nozzle leakage pipe assembly.
Remove the 2 bolts and No. 2 nozzle leakage pipe assembly.
REMOVE VACUUM CONTROL VALVE SET (w/ DPF)
Disconnect the wire harness clamp and vacuum control valve set connector.
Disconnect the 2 vacuum hoses from the vacuum control valve set and vacuum transmitting pipe sub-assembly.
Remove the bolt and vacuum control valve set from the intake manifold.
REMOVE INTAKE MANIFOLD
Remove the bolt and disconnect the wire harness bracket.
w/o DPF:
Disconnect the vacuum hose from the vacuum transmitting pipe sub-assembly.
| *A | w/ DPF |
| *B | w/o DPF |
|
Bolt |
|
Nut |
Remove the 7 bolts, 2 nuts, intake manifold and gasket.