Question about 1997 Dodge Neon

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Heater goes cold after a few seconds of being on

I changed the thermastat made sure the coolant level was good. but still nothing.

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  • 325 Answers

Sound`s very much like an air lock.set heater to hot run engine (rad cap off) switch on blower to max.and see what happen`s..Hope this help`s..

Posted on Jan 06, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 45 Answers

SOURCE: heat starts strong then quits

Your heater core is starting to go out.

Posted on Nov 11, 2008

underprivele
  • 22 Answers

SOURCE: 97 dodge grand caravan 3.8l little heat and then goes away

sounds like you need a new heater core

Posted on Oct 04, 2009

wilsodfarm
  • 986 Answers

SOURCE: '06 3500 diesel, while driving the heater was

You need to check your vaccum pump and hoses

Posted on Oct 08, 2009

  • 396 Answers

SOURCE: the heater is blowing out cold air. I changed my

Make sure the heater control valve is opening and closing. This is likely under the hood near the rear of the engine. There will be coolant hoses connected to it. This valve allows hot coolant to enter the heater. If the valve fails or gets corroded shut, no hot coolant can reach the heater; and you will have no heat.

Posted on Oct 17, 2009

  • 172 Answers

SOURCE: I have a 1998 Dodge Dakota 5.2/ V8 4X4 and was

Check the coolant flow control valve which should be located next to the heater core. It may be electrically or mechanically controlled. After you get the blend door and housing off and can access the heater core, bring your engine up to operating temperature, check that the coolant flow control valve works and see if the heater core heats up. If not it will be either plugged or a low coolant situation. You do not need to change out the evaporator, however it may not hurt to clean it externally with a condenser cleaner such as nubrite, and blow out with air. This would be a good time to change your cabin air filter also.

Posted on Jan 15, 2010

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1 Answer

Hi everybody I have kia pregio 96 heater giving me cold air. what to do? thanks


check coolant level, check coolant flow (thermastat), verify air ducts to the heater core are opening properly, verify heater core is not clogged.

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When I have my heat on it works, often times cold air continues to blow out and then it goes back to heat. If I get an oil change, will that solve the problem?


An oil change will not solve your heater problem because the two systems are irrelevant to eachother. I do recommend an oil change every 3000 miles, but your problem seems to be more related to the cooling system.If you're having intermittent heat, be sure to check your coolant level, as this is where your heat comes from. If the coolant is low, it may be intermittently getting to the heater core, thus cauling your problem. Also, it is a good idea to maintain proper coolant level to insure you won't overheat your engine! Replacing the engine thermostat would be my next step if the coolant level is ok. It may be sticking causing your intermittent heater problem.

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1998 chevy venture low engine coolant light comes on but the coolant level is good. heater heat at max or is cold air. is this the thermastat?


you need to check the coolant in the radiator, not just in the overflow tank, you are describing a low coolant problem, the thermostat could be the resign you have no heat but it would not explain the low coolant light, remove the radiator cap ( only when the engine is cold ) and start the engine with the cap off and then fill up the radiator........HAVE FUN

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I have a 1996 ford explorer and my heater when I first get in and it slightly warmed up the heat works great then as i drive a little the temp gauge goes way up 2 hot then back down to normal and the...


You probably have air in the system. Take off the radiator cap and start the engine. Turn the heater on hot. Let it warm up and fill the radiator as the level drops. Make sure the thermostat opens and coolant is flowing in the radiator. Continue to add coolant until the level stops dropping. Also check for any bleed ports on the hoses or housings where they attach. If you see any bleed ports, crack them open and let any air out. Put the cap back on and see if the heater is working. If this doesn't work, please get back to me.

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2004 Dodge Grand caravan, heater will blow warm air for about 30 seconds. The air then goes cold.


How are your fluid levels? Low coolant flow can cause this. Does the heat go out intermittenly? i.e. when your idle will it go cold and then when you drive away does it get warm again. Could be a few things but, easiest is to make sure your coolant is at proper levels. If that all good try replacing the thermostat.

Oct 27, 2010 | 2004 Dodge Grand Caravan

1 Answer

The heater is blowing out cold air. I changed my thermastat but still have cold air.


Make sure the heater control valve is opening and closing. This is likely under the hood near the rear of the engine. There will be coolant hoses connected to it. This valve allows hot coolant to enter the heater. If the valve fails or gets corroded shut, no hot coolant can reach the heater; and you will have no heat.

Oct 17, 2009 | 2000 Dodge Caravan

1 Answer

1999 ford expedition no heat


check the coolant level and make sure you have enough antifreeze and also the thermastat may need to be changed but check the coolant level first and also let the car run to temp while adding coolant to make sure you get all air bubbles out because the thermastat will not open if there is bubbles in the system

Jan 25, 2009 | 1999 Ford Explorer

1 Answer

2000 expedition heat problem


first of all I would make sure the car has proper amount of coolant and you are right it is very possible you have an air pocket in the system also ask your self did you change the thermastat after you did the heater core when the car is cold make sure there is coolant at the cold mark on the reservior bottle because you might not have enough coolant then start the car and get it up to temp and if the coolant goes not go up to the hot mark when the car gets to temp you do not have enought coolant just keep adding coolant and you will see the bubble after the thermastat opens

Jan 02, 2009 | 1999 Ford Expedition

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