1995 Dodge Caravan "car heater heats rev engine" Questions

...heater. Let the engine cool off, then open the radiator cap and top off the radiator. Pour the coolant in at a rate slow enough to let the air bubble up without splashing the coolant back out. Once ...

heater (not defrost) on while you do it. Keep topping up rad as coolant goes down. Let it run for a while, and rev the engine a little every once in a while and hold it there for 20-30 seconds just to

heater core clogged ( If you feel more heat when you rev the engine, this may be the cause or a restriction elsewhere) 3. radiator fan continuously on, easily checked by observing fan noise ( normally

...rev engine my truck had no heat. i flused out heater core and opened my resivior lid and squeezed the hoses.. seen some bubbles but i put lid back on and my truck has some heat now.. i rev the motor ...

...heated fine but heater wouldn't work. Cause? Air in the system. Run the engine with the cap off, rev the engine up and this will help purge the air. Fill as needed and keep check on it for a few

heater won't blow hot air until I rev up the engine a bunch or actually get on the road with it. I could let it just run idle for 30 minutes in the morning and it still won't blow heat until I rev it!

...heater will not work unless the vehicle is moving or unless I sit there and rev up the engine? Can you tell me what this might be? Hi it sounds like the water pump has failed hence no heat until you ...

...rev the engine a bunch Very likely your heater core is leaking and that's why the floor is wet. The reason you are having problems with the heat is that the coolant level has gotten lower than it is ...

...rev, for 5 seconds or so, every once in a while to make sure flow getting through heater core, and add coolant as necessary. See if that helps, as it may just be an airlock in system. If your cooling ...

car overheating, blows cold air out vents, changed engine,radiator,thermostat,water pump, and heater core A couple of things to check because as you describe your symptoms you actually have 2 problems