Thermostat Replacement

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 thermostat cover (A), then remove the thermostat (B).

Fig 1: Thermostat Cover, Rubber Seal And Bolts With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the new rubber seal (C) on the thermostat, then install the thermostat with the pin (D) up, and install the thermostat cover.
Refill the radiator with engine coolant, then bleed the air from the cooling system (see step 9 on page 10-8).
Clean up any spilled engine coolant.