Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Cadillac Escalade EXT. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Most truck models use a spring-type hose clamp at the hose connections. When using this type of clamp, install the radiator hoses on dry, non-painted surfaces in order to ensure proper sealing. Reusing the spring-type clamps on aftermarket hoses is not recommended.

Fig 1: Radiator Outlet Hose To The Radiator

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system. Refer to Draining and Filling Cooling System .
Remove the radiator outlet hose from the radiator. Refer to Radiator Hose Quick Connect Fitting .

Fig 2: Identifying Heater Hose To Heater Core Fittings

Courtesy of GENERAL MOTORS CORP.

Using the J 43181 disconnect the heater hoses from the heater core outlet. See Special Tools and Equipment .
1. Install the J 43181 to the heater core pipe. See Special Tools and Equipment .
2. Close the tool around the heater core pipe.
3. Firmly pull the tool into the quick connect end of the heater hose.
4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.

Fig 3: View Of Surge Tank Outlet Hose & Surge Tank

Courtesy of GENERAL MOTORS CORP.

Reposition the surge tank outlet hose clamp at the surge tank.
Remove the surge tank outlet hose (2) from the surge tank.

Fig 4: Identifying Outlet Hose To The Water Pump

Courtesy of GENERAL MOTORS CORP.

Reposition the outlet hose clamp the water pump.
Remove the outlet hose from the water pump.