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Home >> Acura >> 2011 >> RL >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Radiator Replacement

Radiator Replacement

  1. Drain the engine coolant (see COOLANT CHECK ).
  2. Remove the right side fender trim (see UPPER FENDER TRIM REPLACEMENT ).
  3. Raise the vehicle on the lift.
  4. Remove the splash shield (see SPLASH SHIELD REPLACEMENT ).
  5. Disconnect the lower radiator hose (A).
    Fig 1: Disconnecting Lower Radiator Hose
    G07353764Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Disconnect the ATF cooler hoses (B), then plug the hose and line.
  7. Disconnect the ECT sensor 2 connector (C).
  8. Lower the vehicle on the lift.
  9. Disconnect the upper radiator hose (A) and the coolant reservoir hose (B).
    Fig 2: Disconnecting Upper Radiator Hose And Coolant Reservoir Hose
    G07353765Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Remove the air intake duct cover (A), the coolant reservoir (B), and the radiator upper brackets (C).
    Fig 3: Removing Air Intake Duct Cover, Coolant Reservoir And Radiator Upper Brackets
    G07353766Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Remove the A/C condenser fan shroud assembly and the radiator fan shroud assembly (see FAN, FAN MOTOR, AND SHROUD REMOVAL AND INSTALLATION ).
  12. Pull up the radiator, then remove the radiator cap (A), the ETC sensor 2 (B), and the drain plug (C).
    Fig 4: Removing Radiator Cap, ETC Sensor And Drain Plug With Torque Specifications
    G07353767Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Reassemble the radiator with new O-rings (D).
  14. Install the radiator. Make sure the lower cushions (E) are set securely.
  15. Install the radiator fan shroud assembly and the A/C condenser fan shroud assembly (see INSTALLATION ).
  16. Install the radiator upper brackets (A), the coolant reservoir (B), and the air intake duct cover (C).
    Fig 5: Installing Radiator Upper Brackets Coolant Reservoir And Air Intake Duct Cover With Torque Specifications
    G07353768Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Install the upper radiator hose (A) and coolant reservoir hose (B).
    Fig 6: Installing Upper Radiator Hose And Coolant Reservoir Hose
    G07353769Courtesy of AMERICAN HONDA MOTOR CO., INC.
  18. Lower the vehicle on the lift.
  19. Install the lower radiator hose (A) and the ATF cooler hoses (B).
    Fig 7: Installing Lower Radiator Hose And ATF Cooler Hoses
    G07353770Courtesy of AMERICAN HONDA MOTOR CO., INC.
  20. Connect the ECT sensor 2 connector (C).
  21. Install the splash shield (see SPLASH SHIELD REPLACEMENT ).
  22. Lower the vehicle on the lift.
  23. Install the right side fender trim (see UPPER FENDER TRIM REPLACEMENT ).
  24. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open (see COOLANT CHECK ).
  25. Clean up any spilled engine coolant.
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