Questions & Answers for: Chevrolet Suburban heat pump blows cold sometimes

...heat is somewhat equal between the two hoses move on. If not there are three areas to check A) Your thermostat may not be opening B) Your radiator might be obstructed/clogged C) Your water pump may ...

...blows hot air from dash air conditioner is blowing hot air only from the dash, the rear air comes out cold and the defrost comes out cold but the dash is hot. On most cars when you push a button or ...

...air blow cold, but driver side air blows heat,not ambient, but very hot air. There is probably a temperature blend door in the duct-work under the dash that is inoperable or stuck in the heat

blows hot and cold when set to blow throught the vents it makes a knocking noise There is a heat control valve under the dash. Usually a little electric motor with gears. It may be the gears are ...

...pump enough fuel for the engine to cold start or stay running when started. And as you have mentioned that it kept blowing fuses, means that there is either a short circuit or the pump is jammed and ...

...blows cold when I am not pressing on the gas. When sitting a and idle the heat does not blow only cold air. First thing i would check is the coolant level. It's probably too low, and anything that ...

...heat, you have two heater cores and two evaporator cores.  The evap cores carry the freon.If the leak is in the evap core in the  front, the price is probably right. if it blows hot days ...

heat it only blows warm air on the passenger side while cold on the driver's side. In rear heat it doesn't blow at all. No heat or a/c in back. Motor was replaced but it didn't

...heat is not working. It blows cold air until I reach about 55 mph and then it gets hot.But as soon as I slow down it blows cold again. What does this sound like it could be My first guess would be ...

...heat will stay warm. The heater core is good and the radiator is full. Check your radiator for cold spots when its warmed up. I think you may have some blockage either in your radiator or the hose ...