Sierra Classic 2500 4WD V8-6.0L (2007)
Radiator: Service and Repair
Radiator Replacement
Radiator Replacement (4.3, 4.8, 5.3, and 6.0L)
Removal Procedure
1. Remove the cooling fan and shroud.
2. Remove the radiator outlet hose for the 4.3L engine, or the 4.8L, 5.3L and 6.0L engines.
3. Disconnect the engine oil cooler lines from the radiator, if necessary.
4. Disconnect the transmission oil cooler lines from the radiator, if necessary.
5. Remove the radiator bolts.
6. Remove the radiator.
Installation Procedure
1. Install the radiator.
2. Notice: Refer to Fastener Notice in Service Precautions.
Install the radiator bolts.
Tighten the bolts to 25 Nm (18 ft. lbs.).
3. Connect the transmission oil cooler lines to the radiator, if necessary.
4. Connect the engine oil cooler lines to the radiator, if necessary.
5. Install the radiator outlet hose for the 4.3L engine, or the 4.8L, 5.3L and 6.0L engines.
6. Install the cooling fan and shroud.
