Radiator Replacement

Drain the engine coolant (see COOLANT REPLACEMENT ).
Raise the vehicle on the lift to full height.
Disconnect the engine coolant temperature (ECT) sensor 2 connector (A), then remove the harness clamp (B).

Fig 1: Identifying Engine Coolant Temperature (ECT) Sensor 2 Connector, Harness Clamp & A/C Compressor Clutch Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With A/C: Remove the A/C compressor clutch connector (C) from the clamp, then remove the harness clamps (D).
Disconnect the lower radiator hose (A).

Fig 2: Identifying Lower Radiator Hose & Automatic Transmission Fluid (ATF) Cooler Hoses
Courtesy of AMERICAN HONDA MOTOR CO., INC.
A/T model: Remove the automatic transmission fluid (ATF) cooler hoses (B), then plug the hose and line.
Lower the vehicle on the lift.
Remove the coolant reservoir.

Fig 3: Identifying Coolant Reservoir
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the radiator fan motor connector (A), then remove the harness clamp (B).

Fig 4: Identifying Radiator Fan Motor Connector, Harness Clamp & Condenser Fan Motor Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With A/C: Disconnect the condenser fan motor connector (C), then remove the harness clamp (D).
Remove the upper radiator hose.

Fig 5: Identifying Upper Radiator Hose
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the radiator upper brackets.

Fig 6: Identifying Radiator Upper Brackets
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Pull up the radiator (A).

Fig 7: Radiator Replacement Components With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With A/C: Remove the A/C condenser fan shroud assembly (B).
Remove the radiator fan shroud assembly (C), radiator cap (D), the ECT sensor 2 (E), and the drain plug (F).
Reassemble the radiator with new O-rings (G).
Install the radiator. Make sure the lower cushions (H) are set securely.
Install the radiator upper brackets.

Fig 8: Radiator Upper Brackets & Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the upper radiator hose.

Fig 9: Identifying Upper Radiator Hose & Heater Hose
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the radiator fan motor connector (A), then install the harness clamp (B).

Fig 10: Identifying Radiator Fan Motor Connector, Harness Clamp, Condenser Fan Motor Connector & Harness Clamp
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With A/C: Connect the condenser fan motor connector (C), then install the harness clamp (D).
Install the coolant reservoir.

Fig 11: Coolant Reservoir Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Raise the vehicle on the lift to full height.
Install the lower radiator hose (A).

Fig 12: Identifying Lower Radiator Hose & Automatic Transmission Fluid (ATF) Cooler Hoses
Courtesy of AMERICAN HONDA MOTOR CO., INC.
A/T model: Remove the plug from the hose and the line, then install the automatic transmission fluid (ATF) cooler hoses (B).
Connect the engine coolant temperature (ECT) sensor 2 connector (A), then install the harness clamp (B).

Fig 13: Identifying Engine Coolant Temperature (ECT) Sensor 2 Connector, Harness Clamp & A/C Compressor Clutch Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With A/C: Install the A/C compressor clutch connector (C) to the clamp, then install the harness clamps (D).
Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open (see step 8).
Clean up any spilled engine coolant.