Operation CHARM: Car repair manuals for everyone.

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 at they do not contact other wiring or hoses, or interfere with other parts.

1. Relieve fuel pressure.
2. Drain the engine coolant.
3. K20A3 engine: Remove the fuel feed hose.
4. Remove the drive belt.
5. Remove the intake manifold:
^ K20A3 engine
^ K20A2, K20Z1 engines





6. Remove the water bypass hose (A).
7. Remove the exhaust manifold.
8. Remove the cam chain.
9. Remove the engine wire harness connectors and wire harness clamps from the cylinder head.
^ Four injector connectors (K20A3 engine)
^ Engine coolant temperature (ECT) sensor connector
^ Camshaft position (CMP) sensor B connector
^ Camshaft position (CMP) sensor A connector





10. Remove the upper radiator hose (A) and heater hose (B).





11. Remove the harness holder (A) from the bracket, then remove the connecting pipe mounting bolt (B) and water bypass line mounting bolts (C).
12. Remove the water bypass hose (D).
13. Remove the rocker arm assembly.





14. 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.
15. Remove the cylinder head.