The body module on the 05 Cobalt is part of the fuse box,under the right side of the center console,its rather simple to change.There a couple plugs to unplug & 4 bolts that mount in to the...
Follow the upper radiator hose from the radiator to the engine and at tne engine you will see the thermostat housing. Take out the two bolts and remove the thermostat and when you reinstall it make...