Question about 2001 Buick LeSabre

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My 2001 lesabra thro hot air then cold then hot

Sometimes it heats up then you stert driving then it thros cold air then all of sudden it goes back to cold

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  • 42 Answers

Sounds like your thermostats or maybe air con needs serviced

Posted on Jan 22, 2013

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SOURCE: My AC blows hot air out the driver's side and cold

My 02 Century has dual temp controls . One for driver for passenger. Make sure you don't have the dual climate enabled and just set for heat on your side and AC on the passengers

Posted on Apr 04, 2010

  • 105 Answers

SOURCE: Buick lesabra 2001 dies while driving, voltage

hello, you may need to have engine tuned up, have choke checked out, usually all the lights,bells and whistles will come on after it dies.because you are having to start engine again, when first starting engine, see what all lights comes on, then when engine dies it should be the same lights coming on when first starting engine, thats pretty normal ,have all filters checked out like gas filter, air filter etc

Posted on Apr 08, 2010

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2 Answers

Recently had radiator, hoses, heater core changed. After 5 to 10 minutes of driving gauge goes up to just about red lines


make sure that there is no air in the system. Most vehicles have a reservoir and a fill location because the reservoir is below the top of the engine. take the cap off the highest point and then run the engine from cold. the air should work its way out. keep an eye on the antifreeze reservoir level top up as needed. once the bubbling has stopped replace the cap, and see how it goes.

Dec 05, 2015 | Cars & Trucks

1 Answer

I changed thermostat and water pump had good heat for three miles and then went cold can mess with it and get it to come back and then goes cold in 3 miles


Check the heater hoses to see if they are still hot when the air goes cold. If the hose are hot it is not a cooling system problem but a temperature blend door problem. If the hoses have a different feel to them,one hot and one cold or warm, it is a circulation problem and the coolant is not moving through the heater core fast enough to keep the air hot out of the vents. This usually ends up being a clogged heater core.

Feb 23, 2015 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Water gurgling in heater, heat is warm, air is very light coming out of the vents, sometimes air goes cold then comes back warm.. a bump will make it go cold


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it's look like the a/c evaporator is block by dirt,oil look at it ..It should be clean as this one

hope it helps

Apr 04, 2014 | 2000 Chevrolet Blazer

1 Answer

My 2001 malibu 6 cyl heater blows cold air on heat setting changed thermostat waterpump idling pulley reservoir cap and flushed lines


Can you check/feel along your hoses from the engine towards the radiator when hot. It should obviously be uniformly hot, Suddenly going cold would indicate a blockage. Same check through the radiator and back to the engine, obviously it will cool through the rad but if it goes stone cold after the rad then that still indicates a blockage which coupled to the over heating is a prime suspect. If you've lost any water then it could be air locked and need properly bleeding. Jon

Dec 09, 2013 | Chevrolet Malibu Cars & Trucks

1 Answer

HEAT BLOWS COLD AIR WHEN IDLING ONLY GETS HOT WHEN START DRIVING


You have still got air in the system.Remove the Feed back pipe from the header tank and wait for all the air to come out while the engine is running making sure you are toping up the header tank at the same time Dont allow header tank to run dry while doing this.Good luck

Jan 16, 2010 | 2001 Chrysler LHS

1 Answer

Drivers side AC will blow hot air.


the blend motor on the vehicle is probably bad

Aug 20, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

Air conditioner blows super hot air.


your ac is freezing up try replacing the expansion valve

Aug 17, 2009 | 1992 Oldsmobile Cutlass

2 Answers

A/C will suddenly send out heat. Fiddling with knobs seems to help. What's wrong?


You have a broken wire connection between the temperature control knob and the circuit board behind the center dash console. Vibration causes the failure and once the control knob gets loose the solder connection fails.

For someone that knows how to remove the dash unit and can re-solder a couple of new wires this fix should take no more than 1 hour. Make sure that you apply loctite to the heat control knob spindle nut when you re-assemble it.

The dealer quoted me 750 dollars to fix this issue and I found out that it's a common failure for this year. I fixed mine virtually for free but it took some tools and about an hour of my time.

Jun 02, 2009 | 2005 Toyota Highlander

1 Answer

Heating doesnt work - no hot air in chrysler grand voyager


(check water/ antifreeze level first, make sure it's full, low water can cause it not to heat properly) it could possibly be either the thermostat- fairly cheap and easy to fix, great for DIY's- if that doesn't fix it, it could be heater core.

Dec 06, 2008 | 2001 Chrysler Town & Country

1 Answer

Ac and heater work great but go off. Then Ac blows Hot / heater cold air


I got a bigger coat to wear! while I find time to look into it further. I appreciate knowing there is more help available and will try the Primo Asist plan later. thank you louie

Nov 03, 2008 | 2001 Honda Insight

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