Question about 1999 Pontiac Grand Am GT

1 Answer

No heat when i turn the car on and it is warm, running al least 1/23 hour, i turn the heat on, and only cold air comes on, could it be the thermostat or ?? I have the same prob with my 99 grand am....The temp is just in the middle not overheaing...I checked the antifreeze level and filled it but continues to blow cold air...not sure what is wrong...maybe need new heater coil

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that has over 10 points.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 50 Answers

Try the alternator. if not maybe the water pump

Posted on Jan 03, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Heater temp on high only bows luke warm air after driving. A/C works just fine.Plenty of cold air from it


heater blows cold air idle chrysler 300 Questions & Answers ...

www.fixya.com > Forum > Tags
Find solutions to your heater blows cold air idle chrysler 300 question. ... blow warmair for a few mins then back to luke warm. i replaced thermostat ... HEAT BLOWSCOLD AIR WHEN IDLING ONLY GETS HOT WHEN START DRIVING ... About 15 minutes after driving the diver side vents start blowing straight cold air but the ...

Heater only works when pressing the gas? - DoItYourself.com ...

www.doityourself.com/...repairs.../459521-heater-only-works-when-pres...
Nov 3, 2011 - When I press the gas, the air from the vents is nice and hot. .... So am Idriving a car with a ton of problems, or could the power steering ... Just anotherquestion, when warmed up does the engine temperature ... When the heater is on and I'm not pressing the gas pedal, luke warm air blows from the vents.

Heater blows cool air when stopped and warm air while ...

https://www.reddit.com/.../heater_blows_cool_air_when_stopped_...

RedditFeb 12, 2014 - Heater blows cool air when stopped and warm air while driving 2008 Kia Spectra (self. ... just fine but appears to blow cool air when I was stopped at a stoplight. ... My temp gauge would also be pegged high when at idle / low RPM. ...thermostat only blocks coolant going to the radiator, and the heater core, ...Missing: 300m ‎luke

Why is My Car AC Blowing Hot Air? - BlueDevil Products

gobdp.com/blog/car-ac-blowing-hot-air/

Jan 27, 2016 | 2000 Chrysler 300M

1 Answer

Blower control


Sounds like a thermostat and/ or the system is low on coolant.
Its probably not going to reach 200 degrees when the outside air temp is below freezing, but you should get plenty of heat if the system is working correctly.

Jan 23, 2014 | Pontiac Grand Am Cars & Trucks

1 Answer

I have a 2001 silverado 5.3l 4x4. My heater blows warm air sometimes and then blows cold air. My thermostat stays at a steady 200 degrees when warmed up. I filled my coolant and didn't have any leaks, does...


Sounds like air in the cooling system. Try taking radiator cap off and letting the vehicle run with heater on high. As bubbles come out add coolant. This may take 20 minutes to a half hour.

Nov 25, 2013 | Cars & Trucks

1 Answer

My 2006 charger even after running for an hour when the heat is turned on it drops the engin temp til its blowing cold air


check thermostat in radiator, if stuck open, could cause motor to take an extremely long time to produce warm air

Dec 18, 2010 | 2006 Dodge Charger

2 Answers

I have a 2002 Acura RSX that has AC Problem. Blows very cold air, but not all the time. As long as RPM is running at drive speeds, I have cold air. However, at stop lights the air temp goes warm. If I...


your ac compressor is freezing up try not putting it on cold all the way. put thermostat towards the red jus a lil but still on the cold side to see if that helps

Apr 03, 2010 | 2002 Acura RSX

1 Answer

Started out with cold air coming out the vents


I'm no 'expert' but it sounds like possibly 2 different problems. Your heat comes from warm/hot coolant circulating through the heater core, and the fan blowing air through/over it. If your thermostat is not opening the coolant won't circulate. Thermostat is a not too difficult or costly starting place. No air flow leads me to think you have a blower motor issue, perhaps start with the fuse. Hope this helps.

Dec 04, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

No heat


The 3400 is notorious of the head gaskets blowing. this may not be in your case. Check the level of the coolant. Their may be air in the heater core. bring it up to operating temp then check the level.

Hope it is just air in the system not the heads!

Dec 29, 2008 | 1999 Pontiac Grand Am GT

3 Answers

2000 Jetta Heater Not working


2000 jetta warms up when idling, but gets cold as soon as I start driving.

Dec 17, 2008 | 2000 Volkswagen Jetta TDI

2 Answers

Cold air when turn on heater


either an air lock in system or thermostat faulty....you could remove faulty thermostat and warm air would get through eventually...or flush thru system and bleed

Nov 15, 2008 | 1996 Chrysler Town & Country

1 Answer

Cold air coming out car heater, turn heat up to 90


check water level in rad if ok check thermostat or couldbe a plugged heater core.also check for vacum to heater door is working

Nov 13, 2008 | 1998 Mazda Millenia

Not finding what you are looking for?
1999 Pontiac Grand Am GT Logo

Related Topics:

324 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pontiac Experts

yadayada
yadayada

Level 3 Expert

61037 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Pontiac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...