Hi All, I have been trying to fix this issue with the 1998 vr6 engine code AAA 12v fan issue. I have changed water pump , thermostat, (checked in hot water, both old and new). 3 stage sensor housing, I have changed blue center , yellow plug, blue sensor left side looking at motor. the only sensor I have not changed is brown (right ) sensor. I have cleaned all plugs at radiator sensors, and others throughout the engine. checked fuses. metal strips that melt seem good. bottom hose stays cold, appears there is still air in it, going to try to jack up drivers side (fill bottle side) to get air ou