Cylinder Head Installation

  1. After torquing, tighten all cylinder head bolts in two steps (90 ° per step). If you are using a new cylinder head bolt, tighten the bolt an extra 60 °.
    NOTE: Remove the cylinder head bolt if you tightened it beyond the specified angle, and go back to Step 7 of the procedure. Do not loosen it back to the specified angle.
  1. Install the cam chain.
  1. Adjust the valve clearance.
  1. Install the cylinder head cover.
  1. Install the thermostat housing.
  1. Install the three way catalytic converter (TWC).
  1. Install the four ignition coils.
  1. Connect the following engine wire harness connectors, and install the wire harness clamps to the cylinder head:
    • Four injector connector
    • Engine coolant temperature (ECT) sensor 1 connector
    • Air fuel ratio (A/F) sensor connector
    • Secondary heated oxygen sensor (secondary HO2S) connector
    • Exhaust gas recirculation (EGR) valve connector
    • Rocker arm oil control solenoid connector