Thermostat Housing Removal and Installation: Removal

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant (see COOLANT CHECK ).
Remove the coolant reservoir.

Fig 1: Identifying Coolant Reservoir
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the harness holder from the intake manifold.

Fig 2: Removing Harness Holder From Intake Manifold
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the lower radiator hose (A), the heater hose (B), and the water bypass hoses (C).

Fig 3: Identifying Lower Radiator Hose, Heater Hose And Water Bypass Hoses
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the thermostat housing assembly (D), then remove the thermostat (E).