I have a 2005 H2 with 34k miles. Even though the unit blows out both hot and cold air, no air is coming out of the dashboard vents, floor vents or rear vents. Its only being pushed through the defroster vents on top of the dashboard.
Is this common? Anyone else go through this or have an idea of what it might be? When I shut the car off it makes a groaning noise from behind the dash like someone is getting punched in the gut.