Cylinder Head Removal

Cylinder Head Removal

NOTE:

- Use fender covers to avoid damaging the painted surfaces.

- To avoid damaging the wire and terminals, unplug the wiring connectors carefully while holding the connector portion.

- Connect the Honda Diagnostic System (HDS) to the data link connector (DLC), and monitor the engine coolant temperature (ECT) sensor 1. To avoid damaging the cylinder head, wait until the ECT 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 other wiring or hoses, or interfere with other parts.

- Keep the cam chain away from magnetic fields.

1. Relieve the fuel pressure. Service and Repair

2. Remove the engine cover. Engine Removal

3. Drain the engine coolant. Service and Repair

4. Remove the air cleaner assembly. Service and Repair

5. Remove the intake manifold. Service and Repair

6. Disconnect the knock sensor connector (A), then remove the harness clamp (B) and the connecting pipe (C).






7. Disconnect the camshaft position (CMP) sensor (A) and the ECT sensor 1 connector (B), then remove the harness clamp (C).

8. Remove the eight ignition coils. Service and Repair

9. Remove the harness holder and disconnect the breather hose. Cylinder Head Cover Removal

10. Disconnect the evaporative emission (EVAP) canister purge valve connector, then remove the harness clamp. Engine Removal

11. Disconnect the purge joint from the bracket, then remove the fuel pipe nut and remove the EVAP canister purge valve bracket bolts. Engine Removal






12. Disconnect the upper radiator hose (A), the lower radiator hose (B), the water bypass hose (C), and the heater hoses (D).

13. Remove the drive belt. Service and Repair

14. Turn the crankshaft pulley so its top dead center (TDC) mark lines up with the pointer. Cam Chain Removal

15. Remove the water pump. Service and Repair

16. Remove the cylinder head cover . Cylinder Head Cover Removal

17. Remove the warm-up three way catalytic converter (WU-TWC). Warm Up TWC Removal/Installation

18. Remove the crankshaft pulley. Service and Repair

19. Support the engine with a jack and a wood block under the oil pan.

20. Remove the ground cable, then remove the side engine mount bracket. Cam Chain Removal






21. Disconnect the crankshaft position (CKP) sensor (A) and the harness clamp (B), then remove the dipstick tube (C).






22. Remove the chain case.






23. Make a reference mark (A) across the camshaft sprocket and the cam chain.

24. Loosely install the crankshaft pulley.






25. Apply new engine oil to the sliding surface of the cam chain tensioner through the oil return hole in the cylinder head.






26. Hold the crankshaft pulley and set the socket wrench (A) on the camshaft sprocket bolt.

27. Turn the camshaft clockwise to compress the cam chain tensioner, then install the 6 x 1.0 mm bolt (B) in the bolt hole (C) in the engine block through the cam chain tensioner (D).
NOTE:

- Turning torque should not exceed 44 N-m (4.5 kgf-m, 33 lbf-ft) when turning the camshaft.

- Do not turn the camshaft counterclockwise.





28. Hold the camshaft with a 27 mm open-end wrench, then remove the camshaft sprocket.






29. Remove the top bolt that secures the cam chain guide.






30. 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.

31. Remove the cylinder head.