Removal

1NZ-FXE ENGINE MECHANICAL: CYLINDER HEAD: REMOVAL

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE Removal
2. PRECAUTION
CAUTION: The hybrid system uses high voltage circuits, so improper handling could cause an electric shock or leakage. During service (e.g. installing or removing the parts, inspection, replacing the parts), be sure to follow the procedures Service Precautions.

3. REMOVE REAR NO. 2 FLOOR BOARD Removal
4. REMOVE REAR DECK FLOOR BOX Removal
5. REMOVE REAR NO. 3 FLOOR BOARD Removal
6. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable to prevent airbag and seat belt pretensioner activation.

7. REMOVE SERVICE PLUG GRIP Removal
8. DISCONNECT FRONT EXHAUST PIPE ASSEMBLY





(a) Remove the 2 bolts and 2 compression rings, then disconnect the exhaust pipe assembly front from the exhaust manifold.
9. REMOVE INVERTER WITH CONVERTER ASSEMBLY
(a) Remove the inverter with converter from the vehicle Removal.
10. REMOVE CHAIN
(a) Remove the chain from the engine Removal.
11. DISCONNECT WIRE HARNESS
(a) Disconnect the connectors and wire harnesses shown in the illustration.





12. REMOVE FUEL MAIN TUBE





(a) Remove the fuel pipe clamp.





(b) Disconnect the fuel tube from the fuel delivery pipe.
NOTE: Even if the fuel tube is stuck and cannot be disconnected, do not use any tools. Push and pull the parts with the quick connector pinched to disconnect the tube.

(c) Cover the disconnected fuel tube and fuel delivery pipe with a plastic bag in order to prevent foreign objects from entering them.
13. DISCONNECT RADIATOR INLET HOSE





(a) Disconnect the radiator inlet hose from the cylinder head.
14. DISCONNECT HOSES





(a) Disconnect the hoses from the cylinder head as shown in the illustration.
15. DISCONNECT NO. 1 WATER BY-PASS PIPE





(a) Remove the bolt and disconnect the water by-pass pipe.
16. REMOVE OIL DIPSTICK GUIDE
(a) Disconnect the hoses shown in the illustration.
(b) Remove the bolt and disconnect the dipstick guide.
17. REMOVE CYLINDER HEAD





(a) Remove the No. 1 and No. 2 camshaft bearing caps in the sequence shown in the illustration, then remove the camshaft and No. 2 camshaft.
NOTE: Uniformly loosen the bolts, keeping the camshaft level.





(b) Using an 8 mm bi-hexagon wrench, loosen the cylinder head bolts in several steps in the sequence shown in the illustration. Then remove the cylinder head bolts and washer.
NOTICE:
- When removing the bolt, do not drop the washer into the engine.
- Removing the cylinder head bolts in the wrong order may cause damage to the cylinder head.

(c) Remove the cylinder head.
18. REMOVE CYLINDER HEAD GASKET
19. REMOVE INTAKE MANIFOLD Removal
20. REMOVE EXHAUST MANIFOLD Removal
21. REMOVE NOISE FILTER Removal
22. REMOVE ENGINE COOLANT TEMPERATURE SENSOR Removal
23. REMOVE FUEL DELIVERY PIPE Disassembly
24. REMOVE FUEL INJECTOR Disassembly