Questions & Answers for: heat blows cold idling

but after that, the heater works perfectly. We get heat long before the temp gage indicates any and it never blows cold unless you lower the temp. might be an air lock in the heater box keep trying it

...heat blows cold when sitting idle. 1.maybe your thermostat is no opening or closing. 2. not enough Ant-Freeze 3. Low on water With more details on the engine i may be able to help you more. for ...

Heat blows cold when car is idling 2001 Mercury Villager - Heat blows fine when driving but when stopped and idling it blows cool. I already had a new water pump, thermostat, and timing belt put in ...

cold air through the heater when idling temp should rise while idling unless thermostat is stuck open and not letting heat build up Might have an air bubble in the heater core. Do you hear gurgling at

Heat blows cold on drivers side and hot on passenger side? http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html---------- Hot air on the driver's side vents only?

...Blows warm when idle My A/C stops blowing cold when idle but starts blowing cold again when moving. Code shows heat sending unit??? I can't say much without having the actual code. When the ac stops ...

...heat but blows cold air have a x5 o4 n just blowing cold air n eventho the gauge needle is in the middle.... n after some time blows very little warm air n stops n blow cold air again...any ideas how ...

...heat after driving over 45. When slowing down or stopping will blow cold. Sounds like air is in the coolant system. Check coolant level. Your year--make--model didn't post for some reason? It's hard ...

...heat it blows out cold air. Heater blows only cool air...even w/ defroster on : Buick ... repairpal.com > Problems > Buick > LeSabre ... Cadillac, Chevrolet, Chrysler, Dodge, FIAT, Ford, Geo, GMC, ...