Radiator Surge Tank Outlet Hose/Pipe Replacement (HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Radiator Surge Tank Outlet Hose/Pipe (HP2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) . Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement . Remove the air cleaner. Refer to Air Cleaner Assembly Replacement . Remove the air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
1	Radiator Surge Tank Outlet Hose Quick Disconnect Procedure Squeeze the plastic retainer release tabs and pull the connection apart. The joint should audibly click upon reassembly and the technician should pull back on the joint to ensure it is engaged properly.
2	Radiator Surge Tank Outlet Hose Clamp Procedure Using J 38185 reposition the radiator surge tank outlet hose clamps. Special Tools J 38185 Radiator Surge Tank Outlet Hose Clamp
3	Radiator Surge Tank Outlet Hose Quick Disconnect Procedure Squeeze the plastic retainer release tabs and pull the connection apart. The joint should audibly click upon reassembly and the technician should pull back on the joint to ensure it is engaged properly.
4	Radiator Surge Tank Outlet Hose TIP: Radiator surge tank outlet hose and the heater outlet hose are molded as one hose.