SUPPLY PUMP REMOVAL/INSTALLATION [WL-C, WE-C]

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Caution
•  Fuel line spills and leakage on the parts are dangerous. Fuel can ignite and also deteriorate the parts. To prevent this, always cover the mouths of the removed parts in the fuel system with rags to soak up the fuel.
•  To prevent the fuel injection pipe from clogging, be careful that foreign material has not entered the pipe. Also, be sure to tighten the bolts with the specified tightening torque when installing the fuel injection pipe.
•  To prevent fuel leakage, follow the procedure indicated in the workshop manual when removing and installing the fuel injector.
•  The fuel injection pipe can be removed and reinstalled up to five times. Be sure to record in the service record when removing and installing the fuel injection pipe. If removing it for the sixth time, be sure to replace it with a new one.
•  Always carry out the cleaning process before carrying out any repairs to the fuel injection system components to prevent foreign matter ingress to the components.
•  If fuel does not pass through the fuel filter, foreign material may have penetrated in the supply pump, and this may cause a malfunction resulting in damage to the supply pump. Therefore, do not install the fuel hoses (main and return side) in reverse. When installing the fuel hose, always follow the Fuel Hose Installation Note in the Workshop Manual and perform the procedure. (See Supply pump side.)

1.  Disconnect the negative battery cable.

2.  Complete the “BEFORE REPAIR PROCEDURE”. (See BEFORE SERVICE PRECAUTION [WL-C, WE-C].)

3.  Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [WLT-1, WLT-2, WL-C, WE-C].)

4.  Remove the battery carrier.

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5.  Set the fuel filter component slightly out of the way. (See FUEL FILTER (HIGH-PRESSURE) REMOVAL/INSTALLATION [WL-C, WE-C].)

6.  Remove in the order indicated in the table.

7.  Install in the reverse order of removal.

8.  Complete the “AFTER REPAIR PROCEDURE”. (See AFTER SERVICE PRECAUTION [WL-C, WE-C].)

9.  Start the engine and verify that fuel does not leak from the fuel system.

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1
Injection pipe
(See Injection Pipe Removal Note.)
2
Common real
3
Fuel hose
(See Fuel Hose Installation Note.)
4
Connector
5
Timing belt cover
(See TIMING BELT REMOVAL/INSTALLATION [WL-C, WE-C].)
6
Supply pump
(Supply Pump Pulley Removal Note.)


Injection Pipe Removal Note

Caution
•  If the fuel injector inlet connector is not locked against rotation when removing the injection pipe, it may loosen and cause fuel leakage.

Injector side

1.  Lock the fuel injector inlet connector against rotation.

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2.  Place an alignment mark on the fuel injector and the fuel injector inlet connector to inspect the fuel injector inlet connector for looseness.

3.  Loosen the flare nut on the injection pipe while being careful not to allow the inlet connector to rotate.

4.  If the alignment marks are misaligned, replace the fuel injector with a new one. (See FUEL INJECTOR REMOVAL/INSTALLATION [WL-C, WE-C].)


Supply pump side

1.  Lock the nozzle holder body against rotation.

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2.  Loosen the flare nut on the injection pipe while being careful not to allow the nozzle holder body to rotate.


Supply Pump Pulley Removal Note

1.  Removal the two supply pump pulley mounting bolts.

2.  Loosen the fuel injection pump pulley locknut.

3.  Remove the pulley with the SST.

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Fuel Hose Installation Note

•  Install the fuel main hose and fuel return hose as shown in the figure.
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