Avalanche 1500 2WD V8-5.3L VIN Z Flex Fuel (2005)
Radiator Hose: Service and Repair
Outlet
Radiator Hose Replacement - Outlet (4.8L, 5.3L, and 6.0L Engines)
Removal Procedure
1. Drain the cooling system.
2. Loosen the air cleaner outlet duct clamps at the following locations:
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Throttle body
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Mass air flow (MAF) /intake air temperature (IAT) sensor
3. Remove the radiator inlet hose clip from the outlet duct.
4. Remove the air cleaner outlet duct.
5. Reposition the outlet hose clamp at the water pump.
6. Remove the outlet hose from the water pump.
7. Reposition the outlet hose clamp at the radiator.
8. Remove the outlet hose (6) from the radiator.
Installation Procedure