Cylinder Head Removal
Cylinder Head Removal
NOTE:
- Use fender covers to avoid damaging painted surfaces.
- To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
- To avoid damaging the cylinder head, wait until the engine coolant 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 other wiring or hoses, or interfere with other parts.
1. Relieve fuel pressure. Service and Repair
2. Drain the engine coolant. Service and Repair
3. Do the battery removal procedure. Removal and Replacement
4. Remove the air cleaner housing assembly. Service and Repair
5. Remove the fuel feed hose clamp (A) and the quick-connect fitting cover (B), then disconnect the fuel feed hose (C). Fuel Line/Quick-Connect Fitting Removal
6. Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).
7. Remove the heater hose from the clamps (D).
8. Remove the intake manifold/chamber assembly. Intake Manifold/Chamber Assembly Removal And Installation
9. Remove the warm up three way catalytic converter (WU-TWC). Warm Up TWC Removal/Installation
10. Remove the following engine wire harness connectors and wire harness clamps from the cylinder head:
- Four injector connector
- Engine coolant temperature (ECT) sensor 1 connector
- Camshaft position (CMP) sensor connector
- Secondary heated oxygen sensor (secondary HO2S) connector
- Rocker arm oil control solenoid connector
11. Remove the harness holder.
12. Remove the harness holder mounting bolt (A) and the ground cable (B), then remove the harness holder (C) from the bracket.
13. Remove the cylinder head cover. Cylinder Head Cover Removal
14. Remove the cam chain. Cam Chain Removal
15. 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.
16. Remove the cylinder head.