Radiator Hose: Service and Repair

Removal Procedure

Notice: Refer to Use GM Goodwrench DEX-COOL Coolant in Service Precautions.

Caution: Refer to Battery Disconnect Caution in Service Precautions.





1. Disconnect the negative battery cable.
2. Drain and recover the coolant. The coolant level must be below the hose which is to be removed. Refer to Draining and Filling Cooling System.
3. Remove the battery and the battery tray.
4. Disconnect the radiator inlet hose from the radiator and the thermostat housing.
5. Disconnect the engine inlet hose from the radiator, and the water pump.

Installation Procedure

Notice: Make sure the reference marks on the hoses and the radiator are lined up. A twist on the hose would place strain on the radiator fitting which could cause the fitting to crack or break.





1. Connect the engine inlet hose to the radiator, the water pump, and the surge tank.
2. Connect the radiator inlet hose to the radiator and thermostat housing.

Notice: Refer to Fastener Notice in Service Precautions.

3. Connect the negative battery cable.
^ Tighten the bolt to 16 Nm (12 ft. lbs.).
4. Fill the cooling system. Refer to Draining and Filling Cooling System.
5. Inspect the system for leaks.