FUEL INJECTOR 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.
Note
•  Perform “FUEL INJECTOR CODE PROGRAM” after replacing fuel injector. (See FUEL INJECTOR CODE PROGRAM [WL-C, WE-C].)

1.  Disconnect the negative battery cable.

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

3.  Disconnect the CMP sensor connector.

4.  Disconnect the fuel presser sensor connector.

5.  Disconnect the fuel injector connector.

6.  Disconnect the fuel injector connector bracket.

7.  Remove in the order indicated in the table.

8.  Install in the reverse order of removal.

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

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1
Fuel return hose
(See Fuel Return Hose Removal Note.)
2
Fuel injection pipe
3
Injector bracket
4
Fuel injector
(See Fuel Injector Removal Note.)
(See Fuel Injector Installation Note.)


Fuel Return Hose Removal Note

1.  To remove the fuel return hose, press the clip in the direction of the arrow, then remove the fuel return hose.

―  If the clip is removed from the fuel injector, replace the fuel injector.

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Fuel Injector Removal Note

1.  When removing the fuel injector, pull it up straight so as not to damage the camshaft cap lower oil seal.

―  If the oil seal is damaged, replace the oil seal.


Fuel Injector Installation Note

1.  Using tweezers of 200 mm {7.87 in} or more, soak absorbent cotton with cleaning fluid and remove the carbon on the copper packing seating surface on the injector.