Owner's Manual
Page 215
3. One is located the thermostat housing.The other is on located on the thermostat bypass tube. 3.4L DOHC V6 (VINCode X): There are located on the thermostat housing and heater outlet pipe. 5-21 They are two bleed valves. After the engine cools, open the coolant air bleed valve. 3100 V6 (VIN Code M): There are two bleed valves.
3. One is located the thermostat housing.The other is on located on the thermostat bypass tube. 3.4L DOHC V6 (VINCode X): There are located on the thermostat housing and heater outlet pipe. 5-21 They are two bleed valves. After the engine cools, open the coolant air bleed valve. 3100 V6 (VIN Code M): There are two bleed valves.