Avalanche 1500 2WD V8-5.3L (2008)
Coolant Reservoir: Service and Repair
Radiator Surge Tank Outlet Hose/Pipe Replacement
Radiator Surge Tank Outlet Hose/Pipe Replacement (4.8L, 5.3L, and 6.0L Engines)
Tools Required
J 43181 Heater Line Quick Connect Release Tool
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (See: Service and Repair) .
2. Loosen the air cleaner outlet duct clamps at the following locations:
*
Throttle body
*
Mass airflow/intake air temperature (MAF/IAT) sensor
3. Remove the air cleaner outlet duct.
4. If equipped without regular production option (RPO) C36 auxiliary heater, remove the surge tank/heater outlet hose (1) from the mounting clip.
5. If equipped with RPO C36 auxiliary heater, remove the surge tank/heater outlet hose (1) from the mounting clip.
