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Home >> Chevy Truck >> 2010 >> Express 4500 V8-6.6L DSL Turbo >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Radiator >> Service and Repair >> Removal and Replacement

Removal and Replacement




Radiator Replacement (Diesel)

Special Tools
* J 38185 Hose Clamp Pliers
* J 39529 Wiper Linkage Installer

Removal Procedure

Note: Always install a new set of insulators when replacing a radiator. Used insulators may be worn or too large for the new radiator. These conditions may cause the new radiator to be loose.




1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
2. Remove the upper radiator baffle.
3. Remove the surge tank. Refer to Radiator Surge Tank Replacement (Radiator Surge Tank Replacement).
4. Remove battery. Refer to Battery Replacement (Primary) (Removal and Replacement).
5. Remove the charged air cooler inlet hose/pipe. Refer to Charge Air Cooler Inlet and Outlet Duct Replacement (Inlet) (Charge Air Cooler Inlet and Outlet Duct Replacement (Inlet)) Charge Air Cooler Inlet and Outlet Duct Replacement (Outlet) (Charge Air Cooler Inlet and Outlet Duct Replacement (Outlet)).




6. Remove the clamp at the radiator inlet using the J 38185.
7. Remove the radiator inlet hose (5) from the radiator.
8. Remove the outlet heater hose clamp at the radiator using the J 38185.
9. Remove the outlet heater hose (2) from the radiator.
10. Remove the automatic transmission cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection) for the 4L60-E/4L65-E/4L70-E transmissions or Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection) for the 6L90 transmissions.
11. Remove the engine oil cooler lines. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement (Service and Repair).
12. Remove the engine oil fill tube. Refer to Oil Filler Tube Replacement (Oil Filler Tube Replacement).
13. Remove intake manifold tube. Refer to Intake Manifold Tube Replacement (LMM) (Intake Manifold Tube Replacement).




14. Remove the upper radiator baffle.
Remove the fan shroud bolts (1) from the top of the radiator support.
15. Remove the fan shroud bolts (3) from the sides of the fan shroud.




16. Remove the radiator mounting bolts from the charged air cooler.
17. Remove the charge air cooler bolts to core support.
18. Remove the radiator and charge air cooler as assembly.
19. Remove radiator bolts to charge air cooler.
20. Remove the radiator insulators.
21. Inspect the following components:

* The radiator
* The insulators
* The hoses and clamps
* The mounting hardware
Replace the components as necessary.

Installation Procedure




1. Install the radiator insulators.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the radiator to the charge air cooler and tighten the bolts to 6 Nm (53 lb in).
3. Install the radiator and charge air cooler as an assembly.
4. Install the radiator mounting bolts to the charged air cooler and tighten to 6 Nm (53 lb in).




5. Install the fan shroud bolts (1) to the top of the radiator support and tighten to 6 Nm (53 lb in).
6. Install the fan shroud bolts (3) to the sides of the fan shroud and tighten to 6 Nm (53 lb in).
7. Install the engine oil cooler lines. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting Replacement (Service and Repair).
8. Install the automatic transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection) for the 4L60-E/4L65-E/4L70-E transmissions or Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection (Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection) for the 6L90 transmissions.




9. Install the radiator inlet hose (5) to the radiator.
10. Install the hose clamp at the radiator inlet housing using the J 38185.
11. Install the outlet heater hose (2).
12. Install the outlet heater hose clamp using the J 39529.
13. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement (LMM) (Intake Manifold Tube Replacement).
14. Install oil fill tube. Oil Filler Tube Replacement (Oil Filler Tube Replacement).
15. Install the upper radiator baffle.
16. Install the battery. Refer to Battery Replacement (Primary) (Removal and Replacement).
17. Install the charged air cooler hose/pipe. Refer to Charge Air Cooler Inlet and Outlet Duct Replacement (Inlet) (Charge Air Cooler Inlet and Outlet Duct Replacement (Inlet)) Charge Air Cooler Inlet and Outlet Duct Replacement (Outlet) (Charge Air Cooler Inlet and Outlet Duct Replacement (Outlet)).
18. Install the surge tank assembly. Refer to Radiator Surge Tank Replacement (Radiator Surge Tank Replacement).
19. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).




20. Install the upper radiator baffle.
21. Inspect the automatic transmission fluid level. Refer to Approximate Fluid Capacities ([1][2]Maintenance).
22. Inspect the engine oil level. Refer to Approximate Fluid Capacities ([1][2]Maintenance).

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