Removal Procedure

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Heater Outlet Hose

Courtesy of GENERAL MOTORS CORP.

Partially drain the cooling system. Refer to Cooling System Draining and Filling (LY7 GE 47716 Fill) or Cooling System Draining and Filling (LNJ GE 47716 Fill) or Cooling System Draining and Filling (LNJ Static Fill) or Cooling System Draining and Filling (LY7 Static Fill) .
Remove the heater pipe outlet hose (1) from the heater outlet pipe.
Remove the heater inlet pipe. Refer to Heater Inlet Pipe Replacement (LY7) or Heater Inlet Pipe Replacement (LNJ) .

Fig 2: Identifying Heater Outlet Pipe

Courtesy of GENERAL MOTORS CORP.

Remove the heater outlet pipe (1).
Remove the heater outlet pipe O-ring (2). Discard O-ring.