Cylinder Head Removal
Cylinder Head Removal
NOTE:
- Use fender covers to avoid damaging the painted surfaces.
- To avoid damaging the wires and terminals, 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 any other wiring or hoses, or interfere with any other parts.
1. Relieve the fuel pressure Service and Repair.
2. Drain the engine coolant Service and Repair.
3. Remove the drive belt Service and Repair.
4. Disconnect the MAF sensor/IAT sensor connector (A).
5. Disconnect the vacuum hose (B) and the breather pipe (C), then remove the intake air duct (D).
6. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose (B) Fuel Line/Quick-Connect Fitting Removal.
7. Remove the bolt securing the connecting pipe support bracket from the engine block.
8. Disconnect the EVAP canister hose (A) and the brake booster vacuum hose (B).
9. Remove the intake manifold.
10. Remove the exhaust manifold Service and Repair.
11. Disconnect the PCV hose (A), and remove the ground cable (B).
12. Disconnect the upper radiator hose (A), the heater hoses (B), and the water bypass hose (C).
13. Disconnect the engine wire harness connectors, and remove the wire harness clamps from the cylinder head:
- Four injector connectors
- ECT sensor 1 connector
- CMP sensor A connector (Intake side)
- CMP sensor B connector (Exhaust side)
- EVAP canister purge valve connector
- Rocker arm oil control solenoid connector
- Rocker arm oil pressure switch connector
14. Remove the three bolts (A) securing the EVAP canister purge valve bracket and remove the two bolts (B) securing the harness bracket.
15. Remove the cam chain Cam Chain Removal.
16. Remove the rocker arm assembly Rocker Arm Assembly Removal.
17. 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.
18. Remove the cylinder head.