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Home >> Acura >> 2009 >> CSX Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Radiator and Fan Replacement

Radiator and Fan Replacement

  1. Make sure you have the anti-theft code for the audio system or the navigation system, then write down the audio presets.
  2. Disconnect the negative cable from the battery first, then disconnect the positive cable.
  3. Remove the battery.
  4. Drain the engine coolant (see COOLANT CHECK  ).
  5. Remove the bulkhead cover (see FRONT BUMPER REMOVAL/INSTALLATION ).
  6. Disconnect the fan motor connectors (A) and hood switch connector (B), then remove the harness clamps (C).
    Fig 1: Identifying Fan Motor Connectors And Hood Switch Connector And Harness Clamps
    G06264451Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Remove the reservoir hose (A), radiator cap base mounting bolts (B), clips (C), and radiator upper brackets (D).
    Fig 2: Reservoir Hose, Radiator Cap Base Mounting Bolts, Clips And Radiator Upper Brackets With Torque Specifications
    G06264452Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Remove the upper radiator.
    Fig 3: Identifying Upper Radiator
    G06264453Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Remove the splash shield.
    Fig 4: Identifying Splash Shield And Bolts
    G06264454Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Disconnect the engine coolant temperature (ECT) sensor 2 connector (A), and remove the harness clamp (B).
    Fig 5: Identifying Engine Coolant Temperature (ECT) Sensor 2 Connector And Harness Clamp
    G06264455Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Remove the lower radiator hose from the radiator (see LOWER RADIATOR HOSE REMOVAL AND INSTALLATION  ).
  12. A/T model: Remove the automatic transmission fluid (ATF) cooler hoses (A), then plug the hoses.
    Fig 6: Identifying Automatic Transmission Fluid (ATF) Cooler Hoses
    G06264456Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Remove the condenser bracket mounting bolts (A), then remove the bulkhead (B).
    Fig 7: Condenser Bracket Mounting Bolts And Bulkhead With Torque Specifications
    G06264457Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Pull up the radiator, then remove the fan shroud assemblies and other parts from the radiator.
    Fig 8: Radiator Parts Location With Torque Specifications
    G06264458Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Install the radiator in the reverse order of removal. Make sure the upper and lower cushions are set securely.
  16. Install the lower radiator hose to the radiator (see LOWER RADIATOR HOSE REMOVAL AND INSTALLATION  ).
  17. Install the bulkhead in the reverse order of removal. Apply body paint to the bulkhead mounting bolts.
  18. Fill the radiator with engine coolant and bleed the air (see step  6 on ).
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