Radiator Replacement

Radiator Replacement (4.3L, 4.8L, 5.3L, and 6.0L)

Removal Procedure




1. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-HP2) (Service and Repair).
2. Remove the radiator outlet hose for the 4.3L engine, or the 4.8L, 5.3L and 6.0L engines. Refer to Radiator Outlet Hose Replacement (Diesel) (Radiator Hose)Radiator Outlet Hose Replacement (Non-HP2) (Radiator Hose).
3. Disconnect the engine oil cooler lines from the radiator, If Equipped. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement (Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement).
4. Disconnect the transmission oil cooler lines from the radiator, If Equipped. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Service and Repair).
5. Remove the radiator bolts.
6. Remove the radiator.

Installation Procedure




1. Install the radiator.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the radiator bolts.

Tighten the bolts to 25 Nm (18 lb ft).

3. Connect the transmission oil cooler lines to the radiator, If Equipped. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Service and Repair).
4. Connect the engine oil cooler lines to the radiator, If Equipped. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement (Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement).
5. Install the radiator outlet hose for the 4.3L engine, or the 4.8L, 5.3L and 6.0L engines. Refer to Radiator Outlet Hose Replacement (Diesel) (Radiator Hose)Radiator Outlet Hose Replacement (Non-HP2) (Radiator Hose).
6. Install the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-HP2) (Service and Repair).