Before servicing the vehicle, refer to the Precautions Section.
NOTEDisconnecting the negative battery cable on some vehicles may interfere with the functions of the on-board computer systems and may require the computer to undergo a relearning process, once the negative battery cable is reconnected.
NOTEIf working near and/or around the SRS system and components, be sure to properly disable the SRS system. See disarming/arming the SRS system.
- Disconnect the negative battery cable.
- Drain the cooling system. Be sure to properly dispose of used coolant.
- Remove the upper fan shroud.
- Disconnect the radiator inlet and outlet hoses.
- Disconnect and plug the transmission fluid and/or oil cooler lines from the radiator.
- Disconnect the low fluid sensor connector, if equipped.
- Disconnect the coolant reservoir hose from the radiator.
Disconnect the heater hose, if applicable, and remove the radiator from the vehicle.
- Position radiator in place making sure the radiator is seated on the insulators.
- Connect the coolant recovery hose to the filler neck.
- Connect the transmission fluid lines to the radiator and tighten to 18 ft. lbs. (24 Nm).
- Connect the engine oil cooler lines to the radiator, if equipped, and tighten to 18 ft. lbs. (24 Nm).
- Connect the radiator inlet and outlet hoses and clamps to the radiator.
- Connect the heater hose and clamp to the radiator.
- If equipped, connect the low coolant sensor.
- Connect the upper and lower fan shrouds.
- Connect the negative battery cable, add coolant and check system for leaks.
- Using the GM diagnostic scan tool or aftermarket equivalent reprogram the necessary systems and components. Be sure to follow the scan tool manufacturer-s directions.