heat not getting hot like it use to
Just recently i replaced the water pump in my car. and before that the heat
worked really good now noticing the heat in the car isn't getting hot i
checked the hose near water-pump and its not has hot like the hose to
thermostat.after driving 15 mile drive in 33 degree weather. what causing
that. someone told me it could be air pockets is that true if so how to fix it in
cold weather and not really spend alot of $$$$$$$$$$