Operation CHARM: Car repair manuals for everyone.

Cylinder Head Removal

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. Make sure you have the anti-theft codes for the radio and the navigation system, then write down the frequencies for the radio's preset buttons.
2. Disconnect the battery negative cable from the battery.
3. Drain the engine coolant.
4. Remove the alternator-compressor belt.





5. Remove the intake manifold cover (A) and ignition coil cover (B).





6. Loosen the adjusting nut (A), and remove the locknut (B) and mounting bolt (C), then remove the power steering (P/S) pump belt (D) and pump without disconnecting the P/S hoses.
7. Remove the P/S hose clamp (E).
8. Remove the alternator.
9. Relieve fuel pressure.





10. Remove the fuel feed hose (A), fuel return hose (B) and evaporative emission (EVAP) canister hose (C).
11. Remove the intake manifold.
12. Remove the six ignition coils.
13. Remove the timing belt.
14. Remove the engine wire harness connectors and wire harness clamps from the cylinder head.
- Six injector connectors
- Engine coolant temperature (ECT) sensor connector
- Radiator fan switch A connector
- Radiator fan switch B connector
- Crankshaft position (CKP) sensor connector
- Camshaft position (CMP) sensor connector
- Exhaust gas recirculation (EGR) valve connector
- VTEC solenoid valve connector
- VTEC oil pressure switch connector
- Oil pressure switch connector





15. Remove the vacuum hoses (A) from the intake air bypass control valve (B).





16. Remove the fuel rails.





17. Remove the heater hose.





18. Remove the upper radiator hose (A), lower radiator hose (B), and ground cable (C).
19. Remove the front and rear exhaust manifolds.





20. Remove the water passage.





21. Remove the camshaft pulleys (A) and back covers (B).
22. Remove the cylinder head covers.





23. Remove the cylinder head bolts. To prevent warpage, unscrew the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
24. Remove the cylinder heads.