Note
When replacing the injectors (including shuffling the injectors between the cylinders), common rail or cylinder head, it is necessary to replace the injection pipes with new ones.
When replacing the fuel supply pump, common rail, cylinder block, cylinder head, cylinder head gasket or timing gear case, it is necessary to replace the fuel inlet pipe with a new one.
After removing the injection pipes and fuel inlet pipe, clean them with a brush and compressed air.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Note
After turning the engine 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 Click here.
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.
REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
REMOVE ELECTRIC EGR CONTROL VALVE ASSEMBLY
DISCONNECT WIRE HARNESS
Remove the bolt and disconnect the wire harness.
for LHD:
Remove the bolt and disconnect the wire harness.
Detach the 5 clamps and disconnect the wire harness from the cowl top panel.
REMOVE MANIFOLD ABSOLUTE PRESSURE SENSOR
Disconnect the manifold absolute pressure sensor connector and vacuum hose.
Remove the bolt and manifold absolute pressure sensor.
REMOVE EMISSION CONTROL VALVE BRACKET
Remove the bolt and emission control valve bracket.
REMOVE THROTTLE BODY BRACKET
Remove the 3 bolts and throttle body bracket.
REMOVE NO. 1 GAS FILTER
Disconnect the vacuum hose and remove the No. 1 gas filter from the gas filter bracket.
REMOVE GAS FILTER BRACKET
Detach the clamp and disconnect the wire harness.
Remove the bolt and gas filter bracket.
REMOVE INTAKE AIR CONNECTOR
Remove the 3 bolts, intake air connector and gasket.
REMOVE NO. 1 FUEL PIPE
Disconnect the No. 2 fuel pipe Click here.
Remove the 4 bolts, union bolt, gasket and No. 1 fuel pipe.
| *1 | No. 2 Fuel Pipe | - | - |
|
Union Bolt | - | - |
REMOVE NO. 4 INJECTION PIPE SUB-ASSEMBLY
Remove the bolt, nut and 2 No. 2 injection pipe clamps.
| *a | Common Rail Side |
| *b | Injector Side |
Using a 17 mm union nut wrench, loosen the union nuts and remove the No. 4 injection pipe.
REMOVE NO. 2 FUEL PIPE
Using a 6 mm hexagon wrench, remove the union bolt and gasket.
|
Union Bolt |
|
Fuel Check Valve |
Remove the fuel check valve, gasket and No. 2 fuel pipe.
REMOVE NO. 3 NOZZLE LEAKAGE PIPE
Disconnect the 2 fuel hoses.
|
Fuel Check Valve |
Remove the 2 bolts.
Remove the fuel check valve, gasket and No. 3 nozzle leakage pipe.
REMOVE NO. 2 NOZZLE LEAKAGE PIPE ASSEMBLY
Remove the 3 bolts.
|
Union Bolt |
Remove the union bolt, gasket and No. 2 nozzle leakage pipe.
REMOVE NO. 2 CYLINDER HEAD COVER SUB-ASSEMBLY
Remove the 4 bolts and No. 2 cylinder head cover.
REMOVE VENTILATION PIPE
Remove the bolt and disconnect the 2 ventilation hoses and ventilation pipe.
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Note
If the cylinder head cover is removed, replace the 4 No. 3 cylinder head cover gaskets with new ones.
Using a small screwdriver, remove the nozzle holder seal by prying the portion between the nozzle holder seal and the cutout part of the cylinder head cover.
Remove the 10 bolts, 2 nuts, cylinder head cover and cylinder head cover gasket.
Remove the 4 No. 3 cylinder head cover gaskets from the cylinder head cover.
REMOVE INJECTOR ASSEMBLY
| *1 | Union Bolt |
Remove the union bolt, 4 injector hollow screws, 5 gaskets and nozzle leakage pipe.
Note
When removing the nozzle leakage pipe, place a cushion under the pipe.
Be careful not to deform or scratch the union seal surface.
After removing the nozzle leakage pipe, put it in a plastic bag to prevent foreign matter from contaminating its injector inlet.
Remove the 4 bolts, 4 washers, 4 No. 1 nozzle holder clamps and 4 injectors.
Tech Tips
Arrange the injectors, No. 1 nozzle holder clamps, washers and bolts in the correct order.
Remove the O-ring from each injector.
Remove the 4 injection nozzle seats from the cylinder head.