Drain the engine coolant.
Remove the air cleaner.
Remove the heater hose clamp bracket mounting bolt (A) and the harness holder mounting bolt (B).

Disconnect the water bypass hose (C), then remove the harness holder (D) from the bracket.
Disconnect the upper radiator hose (A) and the water bypass hose (B).

Disconnect the ECT sensor 1 connector (A), then remove the water outlet (B).

Remove ECT sensor 1 (A) and the water bypass hose (B).

Installation
Install ECT sensor 1 (A) with a new O-ring (B).
Install the water bypass hose (C).
Remove all of the old liquid gasket from the water outlet mating
surfaces, the bolts ...
Fuel Line Inspection
Check the fuel system lines and hoses for damage, leaks, and deterioration.
Replace any damaged parts.
Check all clamps, and make sure they are properly positioned and tightened.
...
A/F Sensor Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Remove the cowl cover and the under-cowl panel.
Disconnect the A/F se ...