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 38°C (100°F) 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.Drain the engine coolant.

2.Relieve fuel pressure.

3.Disconnect the fuel feed hose.

4.Remove the drive belt.

5.Remove the intake manifold.

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
  • Engine Coolant Temperature (ECT) sensor connector
  • Top Dead Center (TDC) sensor connector
  • Camshaft Position (CMP) sensor 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 brake booster vacuum line mounting bolts (C).

 

12.Remove the rocker arm assembly.

13.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.

CYLINDER HEAD BOLTS LOOSENING SEQUENCE: 

14.Remove the cylinder head.