Cylinder Head Removal
Cylinder Head Removal
NOTE:
- Use fender covers to avoid damaging painted surfaces.
- To avoid damaging the wiring and terminals, unplug the wiring connectors carefully while holding the connector portion.
- Connect the HDS to the DLC, and monitor the ECT sensor 1. To avoid damaging the cylinder head, wait until the ECT sensor 1 temperature drops below 100 °F (38 °C) before loosening the cylinder head bolts.
- Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact any other wirings or hoses, or interfere with any other parts.
1. Relieve the fuel pressure Service and Repair.
2. Do the battery terminal disconnection procedure Procedures.
3. Drain the engine coolant Service and Repair.
4. Remove the power steering pump (A) and the power steering hose clamp (B) with its hoses connected.
5. Remove the alternator Removal and Replacement.
6. Remove the intake manifold.
7. Remove the six ignition coils Service and Repair.
8. Remove the timing belt Timing Belt Removal.
9. Disconnect the following engine wire harness connectors and wire harness clamps from the cylinder head:
- Six injector connectors
- ECT sensor 1 connector
- Oil pressure switch connector
- CMP sensor connector
- Rocker arm oil control solenoid connector
- Rocker arm oil pressure switch connector
- Front and rear A/F sensor connectors
- Front and rear secondary HO2S connectors
10. Remove the front WU-TWC and the rear WU-TWC.
11. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose (B) Fuel Line/Quick-Connect Fitting Removal.
12. Remove the connector bracket (A) from the front cylinder head.
13. Remove the engine mount control solenoid valve bracket (A) and the harness clamp bracket (B) from the rear cylinder head.
14. Remove the fuel rails Service and Repair.
15. Remove the water passage Water Passage Replacement.
16. Remove the drive belt Service and Repair.
17. Remove the camshaft pulleys (A) and the back covers (B).
FRONT
REAR
18. Remove the cylinder head covers Cylinder Head Cover Removal.
19. Remove the cylinder head bolts. To prevent warpage, loosen the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
FRONT
REAR
20. Remove the cylinder heads.