Radiator Replacement
Radiator Replacement (LLT)
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (LS3, L99 Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (LLT Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (GE 47716) (Cooling System Draining and Filling (GE 47716)).
2. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LLT) (Radiator Inlet Hose Replacement).
3. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LLT) (Radiator Outlet Hose Replacement)Radiator Outlet Hose Replacement (LS3, L99) (Radiator Outlet Hose Replacement).
4. Remove the engine coolant air bleed hose. Refer to Engine Coolant Air Bleed Hose Replacement (LLT) (Engine Coolant Air Bleed Hose Replacement)Engine Coolant Air Bleed Hose Replacement (LS3, L99) (Engine Coolant Air Bleed Hose Replacement).
5. Remove the radiator overflow hose. Refer to Radiator Overflow Hose Replacement (LLT) (Radiator Overflow Hose Replacement)Radiator Overflow Hose Replacement (LS3, L99) (Radiator Overflow Hose Replacement).
6. Remove the engine coolant fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LLT) (Service and Repair)Engine Coolant Fan Shroud Replacement (LS3, L99) (Service and Repair).
7. Reposition the air conditioning condenser. Refer to Air Conditioning Condenser Replacement (LLT) (Service and Repair)Air Conditioning Condenser Replacement (LS3, L99) (Service and Repair).
8. Remove transmission oil cooler lines.
9. Remove radiator upper support bolt (1).
10. Remove radiator upper support (2).
11. Remove radiator (1) from vehicle.
Installation Procedure
1. Install radiator (1) to vehicle.
2. Install radiator upper support (2).
3. Install radiator upper support bolt (1) and tighten to 9Nm (80 lb in).
4. Install transmission oil cooler lines.
5. Install the air conditioning condenser. Refer to Air Conditioning Condenser Replacement (LLT) (Service and Repair)Air Conditioning Condenser Replacement (LS3, L99) (Service and Repair).
6. Install the engine coolant fan shroud. Refer to Engine Coolant Fan Shroud Replacement (LLT) (Service and Repair)Engine Coolant Fan Shroud Replacement (LS3, L99) (Service and Repair).
7. Install the radiator overflow hose. Refer to Radiator Overflow Hose Replacement (LLT) (Radiator Overflow Hose Replacement)Radiator Overflow Hose Replacement (LS3, L99) (Radiator Overflow Hose Replacement).
8. Install the engine coolant air bleed hose. Refer to Engine Coolant Air Bleed Hose Replacement (LLT) (Engine Coolant Air Bleed Hose Replacement)Engine Coolant Air Bleed Hose Replacement (LS3, L99) (Engine Coolant Air Bleed Hose Replacement).
9. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LLT) (Radiator Outlet Hose Replacement)Radiator Outlet Hose Replacement (LS3, L99) (Radiator Outlet Hose Replacement).
10. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LLT) (Radiator Inlet Hose Replacement).
11. Fill the cooling system. Refer to Cooling System Draining and Filling (LS3, L99 Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (LLT Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (GE 47716) (Cooling System Draining and Filling (GE 47716)).