heater

Hi All, I am trying to remove the Heater Core Cover from a 1994 Achieva SC in order to replace the heater core. I have removed all the hoses and parts indicated in the service manual pages including the 10 screws from the cover, but am having difficulty pulling the cover off. If all 10 screws...

So here's my dilemma. My 2000 Oldsmobile Intrigue has been overheating when the car is idle and the heater is on. The top radiator hose feels warm, bottom hose is cold. Both heater core hoses feel warm. So there doesn't appear to be a blockage in flow. The water pump is fine (spins freely, no...

I have a 1998 Bravada. Accuator was clicking I changed it. I am still getting hot thru the vents, blower works fine. When I push the a/c button it flashes then shuts off

I see multiple threads reagrding heaters-A/C but I'm not sure if they are meaning the same thing that we seem to be having a problem with. Some days I don't have any problme but other days I either can never get the heater or a/c (depending on the season) to actually put out anything. The...