Intake Air Bypass Control Thermal Valve Replacement

Drain the engine coolant (see COOLANT CHECK ).
Remove the intake manifold cover (see step 1 on REMOVAL ).
Remove the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION ).
Disconnect the hoses (A) from the intake air bypass control thermal valve (B).

Fig 1: Disconnecting Hoses From Intake Air Bypass Control Thermal Valve With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the radiator upper hose (C) and the engine coolant bypass hoses (D) from the engine coolant outlet (E).
Remove the engine coolant outlet.
NOTE: Do not separate the intake air bypass control thermal valve from the engine coolant outlet. If necessary, replace the engine coolant outlet assembly.
Refill the engine coolant (see COOLANT CHECK ).
NOTE: Be sure to close the under-hood fuse/relay box lid when refilling the engine coolant. Do not spill the engine coolant on the electric parts and painted surface. Wipe up the spilled engine coolant immediately.