Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Heater Water Auxiliary Pump Inlet Hose (2) @ Water Pump Inlet Pipe - Install - Heater Water Auxiliary Pump Inlet Hose Replacement (LWN without K08 Heater Inlet and Outlet Pipe to Lower Water Pump Inlet Pipe) , or Heater Water Auxiliary Pump Inlet Hose Replacement (LWN without K08 Heater Inlet and Outlet Pipe to Upper Water Pump Inlet Pipe)
Heater Water Auxiliary Pump Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
Courtesy of GENERAL MOTORS COMPANY

Heater Water Auxiliary Pump Inlet Hose (3) @ Heater Inlet and Outlet Pipe - Install - Heater Water Auxiliary Pump Inlet Hose Replacement (LWN without K08 Heater Inlet and Outlet Pipe to Lower Water Pump Inlet Pipe) , or Heater Water Auxiliary Pump Inlet Hose Replacement (LWN without K08 Heater Inlet and Outlet Pipe to Upper Water Pump Inlet Pipe)
Heater Water Auxiliary Pump Inlet Hose Clamp (2) - Engage - Hose Clamp Replacement Guidelines - Spring Type
Wiring Harness Clip (1) @ Heater Water Auxiliary Pump Inlet Hose - Install
Courtesy of GENERAL MOTORS COMPANY

Front Wheelhouse Splash Shield- Left Side (3) - Install - Wheelhouse Splash Shield Replacement (Left Side)
Fill the cooling system to the proper level. Cooling System Draining and Filling (Static Fill LWN) , or Cooling System Draining and Filling (GE 47716 LWN) , or Cooling System Draining and Filling (Static LC8, LV1, L96) , or Cooling System Draining and Filling (GE47716 LC8, LV1, L96)
Start the engine and check for coolant leaks.