1. Remove front bumper reinforcement. Refer to See: Bumper\Front Bumper\Service and Repair\Sedan.
2. Remove head lamps (LH/RH). Refer to See: Lighting and Horns\Headlamp\Service and Repair\Removal And Installation.
3. Remove washer tank. Refer to See: Wiper and Washer Systems\Windshield Washer Reservoir\Service and Repair.
4. Remove air duct. Refer to See: Engine, Cooling and Exhaust\Engine\Air Filter Element\Service and Repair QR25DE, See: Engine, Cooling and Exhaust\Engine\Air Filter Element\Service and Repair VQ35DE.
5. Remove the radiator cooling fans. Refer to QR25DE, See: Engine, Cooling and Exhaust\Cooling System\Radiator Cooling Fan\Service and Repair VQ35DE.
6. Remove the radiator. Refer to See: Engine, Cooling and Exhaust\Cooling System\Radiator\Service and Repair QR25DE, See: Engine, Cooling and Exhaust\Cooling System\Radiator\Service and Repair VQ35DE.
7. Remove the hood lock control. Refer to See: Doors, Hood and Trunk\Hood Latch\Service and Repair\Sedan With Intelligent Key.
8. Remove ambient sensor. Refer to See: Heating and Air Conditioning\Ambient Temperature Sensor / Switch HVAC\Service and Repair.
9. Remove crash zone sensor. Refer to See: Restraints and Safety Systems\Air Bag Systems\Impact Sensor\Service and Repair\Crash Zone Sensor.
10. Remove air guides (LH/RH).
11. Remove power steering tube assembly. Refer to See: Maintenance\Hoses\Power Steering Line/Hose\Service and Repair\With 17 Inch Tire"VQ35DE : With 17 Inch Tire" or See: Maintenance\Hoses\Power Steering Line/Hose\Service and Repair\With 18 Inch Tire VQ35DE.
12. Remove horn (High/Low). Refer to See: Lighting and Horns\Horn\Service and Repair.
13. Remove the harness clips from the radiator core support assembly, the harness is separate.
14. Remove the bolts and the radiator core support.

INSTALLATION
Installation is in the reverse order of removal.