Removal

FA20 FUEL: FUEL INJECTOR (for Direct Injection): REMOVAL; 2013 MY FR-S [03/2012 -]

1. REMOVE INTAKE MANIFOLD

Removal

2. REMOVE NO. 2 FUEL DELIVERY PIPE

(a) Using a union nut wrench, loosen the 2 union nuts and remove the No. 2 fuel delivery pipe.





NOTICE:
When removing the No. 2 fuel delivery pipe, pull it out in a straight line to avoid damaging seal surface of the fuel delivery pipe LH.

3. REMOVE FUEL DELIVERY PIPE

(a) Remove the 3 bolts.





(b) Using a union nut wrench, loosen the 2 union nuts and remove the fuel delivery pipe.

4. REMOVE FUEL DELIVERY PIPE LH

(a) Disconnect the 2 fuel injector assembly connectors.





(b) Remove the 2 bolts and fuel delivery pipe LH.





5. REMOVE FUEL DELIVERY PIPE RH

(a) Disconnect the fuel pressure sensor connector and 2 fuel injector assembly connectors.





(b) Remove the 2 bolts and fuel delivery pipe RH.





6. REMOVE FUEL INJECTOR ASSEMBLY

(a) Remove the 4 fuel injector assemblies from the fuel delivery pipe.













NOTICE:
* If the tip of the fuel injector assembly is struck or the fuel injector assembly is dropped, replace the fuel injector assembly with a new one.
* Pull and remove the fuel injector assembly in a straight line to avoid damaging the seal surface of the fuel delivery pipe.
* For re-installation, attach a tag or label to each fuel injector assembly.

NOTICE:
* Pull and remove the injector in a straight line to avoid damaging to the seal surface of the delivery pipe O-rings.
* For reinstallation, attach a tag or label to the injector shaft.

(b) Remove the nozzle holder clamps from the fuel injectors.





(c) Using a screwdriver, remove the C-ring and fuel injector insulator.









(d) Using a needle nose plier, remove the backup No. 1 ring.









(e) Remove the fuel injector seal and No. 2 backup ring.

7. REMOVE FUEL INJECTOR SEAL

(a) Using the tips of a pair of needle nose pliers, pinch and pull one of the injector seal at several points to stretch it. Repeat this for the other injector seal.





NOTICE:
* Excessively pinching the injector seal may damage the groove of the injector.
* If an injector is dropped or the tips of the injectors are struck, replace it with a new one.

(b) Remove the injector seal from the injector.