Question about 2000 Pontiac Grand Am GT

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NO HEAT--COOLANT IS FULL--FAN WORKS - 2000 Pontiac Grand Am GT

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  • Pontiac Master
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Possibly clogged heater core.

Please see my tip at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Posted on Oct 01, 2010

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Posted on Jan 02, 2017

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I have a 2002 Ford Explorer Sport no heat but the fan works,what could the problem be?


Could be that the thermostat has packed up...

Check all your coolant levels are correct and then take her for a good run out....keep your eyes on the temperature gauge,,if your temp gauge hardly moves then your thermostat is at fault....replace it.

If temp gauge works fine, you may be airlocked in your heater matrix... Try setting heater to full heat with fan on full power,, whilst car is ticking over, remove radiator / expansion bottle cap carefully and start squeezing your coolant pipes. This should force any air out through your rad/bottle top..

Please be aware that as your temperature rises in the engine. Your coolant will expand and start to flow out of the rad/expansion bottle..at this stage quickly replace the cap....check your heater...leave engine to cool....unscrew rad/bottle cap, check coolant levels, top up if necessary and squeeze pipes again..start car with heater/fan on full and repeat above.....

Hope this helps..

Nov 29, 2016 | 2002 Ford Explorer

2 Answers

My jeep cherikee is over heating and the trans over heat message comes on


when it comes to overheating theres too many things to list. first is your coolant overheating causing trans to over heat or is it the trans overheating causing the coolant over heating. is the fan working correctly? full of coolant and not just water?

Sep 14, 2014 | Cars & Trucks

1 Answer

No heat


Is the coolant level full? What does the temp gauge read on the dash? Can you hear a difference in air flow out the vents if you switch from full hot to full cold?

Dec 30, 2012 | 2005 Hyundai Accent

1 Answer

My 2005 focus has no heat


There are a few thing that can cause the heat not to work, this all depends on what you mean by no heat, is the fan blowing air but not hot or is the fan not working at all?

i will say to heat the coolant level in radiator and make sure it is full, this is if fan blows but not hot. let me know, good day

Oct 01, 2012 | 2005 Ford Focus

1 Answer

Hi. I do not get any heat from my 99 Acura TL. Fan and a/c working fine.


Check coolant level in coolant reservior. Also with the engine cold, remove the radiator cap and check coolant level. it should be full.
If you fluid levels are full have your mechanic check your heater control valve. It may need replacing.

Aug 26, 2011 | 2000 Acura TL

1 Answer

Hi,i,m a guest here .i have overheating problem with my toyota camery 92 v6...i got that my fan isn't working well , i changed it & the fan got better,,but it's not fixed yet & still i have...


How about the thermostat?

If your getting heat out the vents, the coolant is full, the upper hose is hot and the lower hose is cold that the t'stat is not opening.

If both the hoses are hot, the coolant is full, and you feel the fan pushing hot air than check the front of the radiator for debris build up. If there is no debris than the radiator could be plugged internally or the cooling fins may be severely rotted.

If the coolant is full, there is no heat out the vents and the upper hose is hot/lower hose is cold the water pump is not circulating enough coolant.

Nov 11, 2010 | 1992 Toyota Camry V6

1 Answer

Overheating


Check coolant level in the rad fluid overflow bottle.
If level is ok, check if the rad fan is working.
Also check if you are getting heat inside the car if you put it on hot with the fan on full. If there is no heat, it is probably the water pump that circulates the coolant

Apr 26, 2010 | 1990 Toyota Corolla

1 Answer

Soon as i turn on my heat my cooling fans come on first


It sounds like you do need a thermostat with your heat shut off and the gauge will raise a little then the car doesn't have that heat drawn from it indicating that you most likely do need a thermostat. As far as the fans coming on immediatly that could be a different problem it is most likely the coolant temperature sensor that tells the fan's when to come on. If this sensor says the coolant is hot the fans will come on immediatly. These are seperate problems as the coolant temperature sensor does not have anything to do with the cabin heating system. You should first check the level of your coolant is full, This could also cause your cabin heating system to perform poorly, and may have adverse effects to the engine cooling system. (fans)

Dec 31, 2009 | 1995 Nissan Maxima

1 Answer

No heat


Over heat is caused by poor circulation of coolant. This problem can be: 1- The thermostat is not opening ( bad) causing coolant stagnant. 2- Water pump is bad, not circulate coolant. 3- Radiator is clogging up. It is full but water can not going through small clogging up tubes inside to have heat dissipated through the fines.
Since you also have no heat then I think the bad coolant causing the heater core clogged up also, unless the heater valve has a problem not allowing cooling flowing through the bypass hose to the heater core. Correct all 3 things above then you should be OK. Good luck.

Dec 12, 2009 | 2005 Nissan Sentra

2 Answers

My car over heats when at a stand still especially when the air is on.I replaced a thermostat,replaced anti freeze,and the fuses are not blown and I habe been told that my fan works .Please help me


You need a total radiator and engine flushout as the inner layer is full of scum, rusty scales that block the water from flowing and causing it to get hotter because it does not touch the inner walls of the radiator fins, therefore rendering it ineffective against the cooling wind drawn by the fan, hence the overheating that you are experiencing. Get a full flushout.

Sep 18, 2009 | 1997 Ford Taurus

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