Question about 2004 Buick LeSabre

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My 2004 Buick Lesabre heater doesn't heat up

I don't seem to be getting much heat from my heater. What should I check? Thanks.

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  • 27 Answers

First you should check your antifreez level , check your water pump and thermostat also check the intake gasket , this car has intake gasket problem all the time , if it your intake gasket then I woul repair ASAP before it leades to head gasket , which is more costly . My recommandation to you is to check the fluid level and start the car and turn the heat on all the way , there are two bleeding valves on the tops if the engine from the righ and the left radiator hoses near engine side they are 7mm open them and keep adding antifreeze Untill the fluid come out clear of bubbles from the bleeders , close bleeders and check your heat .
Caution , fluids may be extremely hot do please becareful . Good luck .

Posted on Jan 13, 2013

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Posted on Jan 02, 2017

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proJekttaLon
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SOURCE: 1994 buick lesabre heater core removal

The heater core is located under the dash, in the center. The container holding the core looks like a black plastic box. Remove the ash tray for easier access. You may have to also remove some other covers under the dash. You must first drain the radiator then you have to disconnect the hoses. There are two hoses connected to nipples of the heater core that go thru the center of the firewall. Remove the screws that hold on the cover to the heater core. Then you should be able to get the old one out. There might be a couple of other minor steps but I'm sure you can figure them out. For re-installation just go in reverse order to put it all back together.

Posted on May 25, 2009

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SOURCE: REPLACEMENT OF [LOW BEAM] HALOGEN BULB IN 2004 Buick LeSabre

I just Replaced a Low Beam Light bulb on a 2005 Buick La Sabre.

If You use a Metric socket and Remove the Two Silver bolts Attaching the headlight Assemble onto the metal surrounding the the lamp assembly it comes out to the front. This makes it much easier to access the bulb. Twist it counerclockwise & it comes out by pulling gently on the bulb. Then by realeasing a tab that is the socket holder bulb can be removed & replaced with a New #9006 low beam halogen light bulb. Wrap a Paper towel around the bulb & do NOT touch it with your bare hand as this wiil ruin a halogen bulb,

Posted on Jul 23, 2009

s_s_m_o_k_i_
  • 162 Answers

SOURCE: where is computer located on 1995 buick lesabre & whatis the seri

http://www.tradebit.com/filedetail.php/8617268-1995-buick-lesabre-owners-manual-instant

Posted on Jul 28, 2009

honeymokey
  • 3113 Answers

SOURCE: 2004 Buick Lesabre speedometer not working

Yes it's on the right side othe transmission just above the passenger side cv axle. You most likley need to send the cluster off and have it checked. Model Electronics in NY.

Posted on Oct 09, 2009

  • 2841 Answers

SOURCE: '91 Buick LeSabre heater blower motor

Are you sure the blower motor is defective? If the blower motor resistor pack is bad the blower will not work. Have you applied 12 volts directly to the blower motor to verify it is bad? I have not replaced a blower motor on your particular car but it is usually a labor intensive repair. Depending on where you have it repaired the cost could be as little as $150 and up. Hard to say without actually doing it. Replacing the Resistor Pack is a fairly easy repair, so hopefully that is your problem.

Posted on Dec 15, 2009

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1997 buick lesabre HEATER PROBLEMS The fan works fine but it doesn;t heat up. Cold air is always blowing out of the vents


This could be several things. First I would check that the thermostat is not stuck open. This will condition will make the car run cold when it is cold outside.

If this is not the case........and I'm assuming you've already checked that the antifreeze is full, make sure that the heater valve is working. If it is frozen in place then it won't move and won't allow the warm water to circulate through the heater core.

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Probably a fuse!
Under the dash on the drivers side or under the hood.
New cars have them labeled right at the fuses not in the manual!
Hope this is helpful.

Good Luck!

Jan 05, 2009 | 2004 Buick LeSabre

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