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.
- Connect the HDS to the DLC, and monitor ECT SENSOR 1. 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.
- Keep the cam chain away from magnetic fields.
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 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.
9. Remove the warm up TWC Warm Up TWC Removal/Installation.
10. Disconnect the following engine wire harness connectors, and remove the wire harness clamps from the cylinder head:
- Four injector connectors
- ECT sensor 1 connector
- CMP sensor connector
- Secondary HO2S connector
- Rocker arm oil control solenoid connector
11. Remove the harness holder (A) from the fuel rail.
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.