PROCEDURE
DISCHARGE FUEL SYSTEM PRESSURE
PRECAUTION
Note
After turning the engine switch off, waiting time maybe required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) 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 INTAKE MANIFOLD
REMOVE NO. 3 WATER BY-PASS PIPE
Slide the 2 clips and disconnect the inlet heater water hose A and outlet heater water hose A from the No. 3 water by-pass pipe.
Disengage the wire harness clamp from the No. 3 water by-pass pipe.
Remove the bolt.
Slide the 2 clips and disconnect the No. 8 water by-pass hose, No. 9 water by-pass hose and remove the No. 3 water by-pass pipe.
REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY
REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
Slide the clip and disconnect the No. 3 fuel hose from the No. 1 fuel pipe sub-assembly.
Slide the clip and disconnect the No. 1 fuel hose from the fuel relief valve assembly.
Slide the clip and disconnect the No. 2 fuel hose from the fuel pump assembly.
Remove the 2 bolts and No. 1 fuel pipe sub-assembly.
DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY
Disconnect the fuel pump connector.
| *a | 19 mm Union Nut Wrench |
| *b | Hold |
| *c | Turn |
Using a 21 mm wrench, secure the union bolt on the fuel pump side in place. Using a 19 mm union nut wrench, loosen the union nut and remove the No. 2 fuel pipe sub-assembly.
Note
There must be absolutely no free play in the union bolt on the fuel pump assembly side.
If the union bolt on the fuel pump assembly side has free play, replace the fuel pump assembly.
Remove the 2 bolts on the fuel delivery pipe sub-assembly side.
Note
Do not remove the No. 2 fuel pipe sub-assembly from the fuel delivery pipe sub-assembly. Only remove the 2 bolts.
If the No. 2 fuel pipe sub-assembly is accidentally removed, replace its O-ring, No. 1 back-up ring and No. 2 back-up ring.
REMOVE FUEL PUMP ASSEMBLY
Remove the 2 nuts, fuel pump assembly and fuel pump insulator from the cylinder head sub-assembly.
REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY
Remove the No. 2 fuel pipe sub-assembly from the fuel delivery pipe sub-assembly.
Note
Pull and remove the No. 2 fuel pipe sub-assembly in a straight line to avoid damage to the seal surface of the fuel delivery pipe sub-assembly O-ring.
Remove the O-ring, No. 1 back-up ring, No. 2 back-up ring, No. 3 back-up ring and E-ring from the No. 2 fuel pipe sub-assembly.