1. Drain the engine coolant. Refer to Cooling System Draining and Filling .
2. Remove the radiator outlet hose from the radiator.
3. Remove the coolant hose from the vehicle.



4. Remove the radiator outlet hose from the water pump.



5. On the 6.5L and 8.1L, remove the surge tank outlet hose from the radiator outlet hose.

Important: The radiator hoses use a spring-type clamp at the hose connections. When using this type of clamp, install the radiator hoses on dry, non-painted surfaces in order to ensure proper sealing. Reusing the spring-type clamps on aftermarket hoses is not recommended.

1. On the 6.5L and 8.1L, , install the surge tank outlet hose to the radiator outlet hose.



2. Install the radiator outlet hose to the water pump.



3. Install the radiator outlet hose to the radiator.
4. Refill the engine coolant. Refer to Cooling System Draining and Filling .