Question about 1998 GMC Jimmy

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Well i turn the heat on and wait for the car to heat up and there cold air coming out i put antifreeze and and its still doing the same thing

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Either you have a clogged core or the blend door or motor is going bad, or have you had any problems with your water pump? try the thermostat maybe stuck, try a nuwone first then see waht happens. Thanks

Posted on Apr 08, 2011

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1 Answer

Ford Taurus 2007 air condition is OK, however I get cold air when heater is turned on. Antifreez level is OK.


replace thermostat before you do anything else.. If it is stuck open there will be not heat

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Heat does not work in 96 gs300 . when u turn heat on cold air comes out


the heater core may have gone bad or is cloged. if you can find the return line of the core pull off the hose and see if any thing comes out

Dec 19, 2013 | 1996 Lexus ES 300

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Why my 1993 acura legend blow's cold air but not hot air,the AC works fine.The cooland level is good too.What can ido to fix this? too cold to drive the car like this,please help...


It sounds as though your heater core is stopped up, have someone intelligent to drain your radiator and catch the antifreeze because of animals drinking it, it will kill the animal, then flush the radiator & heater core with a flush designed to cleanse the system, follow directions from flush manufacturer, then put the correct amount of antifreeze in your radiator. Wal-Mart or any parts place will have this in different brands. This may help, it did on my 1998 mercury Mystique.i hope this helps you
P.s. Just follow directions on the flush container & this can be done by the do-it yourselfer
Make sure you allow the engine to cool before pouring the new antifreeze into the radiator, could burst your engine block.

Jan 15, 2013 | 1993 Acura Legend

1 Answer

My 98 Aurora blows air and ac light turns on but no heat is coming out. What could be the problem?


Heater core sounds clogged take the two heater hoses off (usually easiest on eng side) just put garden hose pressure thru both sides till comes out clear reconnect hoses top off antifreeze... Hope this helps!!!! Good luck!!! Remember if the car is hot there will be pressure on the hoses!!!!

Nov 19, 2011 | Cars & Trucks

1 Answer

I had heat blowing out now cold is blowing out of my 2000 maxima when the car is warm i turn on the heater cold air blows out


check you antifreeze level, if its low you may not get any heat. other then that it can be vapor locked (not great if it hasn't been emptied and refilled recently , could be a bad head gasket) or it can be the control in the dash...if so you may hear what sounds like an air leak(losing vacuum) or the air doors may be stuck towards the cold.......I hope your antifreeze is low, the other things are a pain to fix usually

Feb 26, 2011 | 2000 Nissan Maxima

1 Answer

Heater not working


What you need to do is burp the system it is very common on the Lincoln LS not to have heat because the heating has so many places it could have an air bubble and if you let the coolant get down to a certain level it will create air bubbles in the system. You'll need about a 2 gallons of 50/50 antifreeze. Does your heat work at highway speeds? If so, there is a cap to the system underneath the plastic cover that cover the whole engine, remove it to see the tube it should have a 10 or 12mm for an Allen wrench. Make sure the car is off and is cold. Jack it up put on jack stands so the front of the car is off the ground. this helps to bleed the system better. There is a another tube right by were you put the antifreeze. If you are looking at it from the front, it is to the left and should be sitting on the inside driver side fender it has a flat head plastic screw in it. Remove both the Allen and the screw. Make sure your antifreeze level is set at the cold level. Start the car. Turn the heat and fan to the highest it can go. Wait till it warms up then as soon as it bubbles over at the Allen head spot put the cap back on. Wear some gloves good possibility you will get burnt. Make sure that coolant in the reservoir is not getting low if it does go all the way down you will have to start over. Wait till the tube with the screw is spitting out a smooth steam of antifreeze and then cap it this were all the air comes out. you might need to do this a couple times to get all the air out, I did it with mine in 2 tries. Jacking the car at an angle seems to help.

Jan 06, 2011 | 2000 Lincoln LS

2 Answers

My 2003 dodge ram 1500 truck stopped heating. Cool air is all that comes out.


low radiator coolant level OR bad thermostat and Lord I hope not,a leaky heater core.Check fluid level first the look at thermostat replacement only after the level check. Good luck and bless you in advance if you should catch a cold...from the cold!

Nov 02, 2009 | 2003 Dodge Ram Maxi

1 Answer

My 2003 sebring go from hot to cold temp. the car will heat up then cold air start coming out


Two things . 1 - Make sure your antifreeze level is correct and 2- when at idle 6-700 RPM these cars do tend not to blow a lot of warm air. If this doesn't help you might want to try a new thermostat.

Mar 12, 2009 | 2003 Chrysler Sebring

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