Wednesday, December 26th, 2012 AT 12:17 AM
Luke warm air only, even when put all the way to hot on switch. Replaced heater core 3 years ago, truck runs at 175 degrees. In winter time I pull a vacuum hose by gas pedal & replace hose to get the air to stay on floor/defrost cause if I don't it ALWAYS comes out of vents position. Now what?