CAUTION / NOTICE / HINT
Note
When replacing the injector assemblies (including exchanging the injector assemblies between the cylinders), common rail assembly, intake manifold or cylinder head sub-assembly, it is necessary to replace the injection pipe sub-assemblies with new ones.
When replacing the injector assemblies, supply pump assembly, common rail assembly, intake manifold or cylinder head sub-assembly, it is necessary to replace the fuel inlet pipe sub-assembly with a new one.
PROCEDURE
INSTALL NO. 3 NOZZLE LEAKAGE PIPE
| *1 | Gasket |
| *a | 45° |
| *b | Up |
Install a new gasket and No. 3 nozzle leakage pipe to the supply pump assembly with the union bolt.
Note
Install the gasket within the area shown in the illustration.
| *a | Correct |
| *b | Incorrect |
When installing, make sure the detent portion of the No. 3 nozzle leakage pipe is in the location as shown in the illustration.
INSTALL NO. 4 NOZZLE LEAKAGE PIPE
| *1 | Gasket |
| *a | 45° |
| *b | Up |
Install a new gasket and No. 4 nozzle leakage pipe to the supply pump assembly with the union bolt.
Note
Install the gasket within the area shown in the illustration.
INSTALL SUPPLY PUMP ASSEMBLY
Install the supply pump drive coupling to the supply pump assembly.
Apply a light coat of engine oil to the O-ring.
Note
If reusing the supply pump assembly, be sure to inspect the O-ring.
Install the supply pump assembly to the cylinder head sub-assembly with the 3 bolts.
INSTALL FUEL PUMP PROTECTOR
Install the fuel pump protector to the supply pump assembly with the 2 bolts.
INSTALL NO. 2 NOZZLE LEAKAGE PIPE
Install the No. 2 nozzle leakage pipe to the cylinder head cover sub-assembly and supply pump assembly with the 2 bolts.
Connect the fuel temperature sensor connector.
Connect the No. 2 fuel hose to the No. 2 nozzle leakage pipe and slide the clip to secure it.
Install the wiring harness clamp bracket to the fuel pump protector with the bolt.
Engage the clamp to connect the wire harness to the wiring harness clamp bracket.
Connect the supply pump assembly connector.
Connect the fuel hose to the No. 4 nozzle leakage pipe and slide the clip to secure it.
CONNECT NO. 1 FUEL HOSE
| *a | Front |
| *b | 120° |
Connect the No. 1 fuel hose to the No. 3 nozzle leakage pipe and slide the clip to secure it.
Tech Tips
Engage the clip within the area shown in the illustration.
Engage the clamp.
CONNECT NO. 2 FUEL HOSE
| *a | Up |
| *b | 120° |
Connect the No. 2 fuel hose to the No. 2 nozzle leakage pipe and slide the clip to secure it.
Tech Tips
Engage the clip within the area shown in the illustration.
INSTALL FUEL INLET PIPE SUB-ASSEMBLY
INSTALL NO. 3 INJECTION PIPE SUB-ASSEMBLY
INSTALL NO. 2 INJECTION PIPE SUB-ASSEMBLY
INSTALL NO. 1 INJECTION PIPE SUB-ASSEMBLY
INSTALL NOZZLE LEAKAGE PIPE ASSEMBLY
INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
INSTALL NO. 1 GLOW PLUG CONNECTOR
INSTALL AIR CLEANER CASE SUB-ASSEMBLY
INSTALL AIR CLEANER CAP SUB-ASSEMBLY
PERFORM INITIALIZATION AND REGISTRATION
BLEED AIR FROM FUEL SYSTEM
INSPECT FOR FUEL LEAK
INSTALL NO. 1 ENGINE COVER (w/ No. 1 Engine Cover)