1994 Buick LeSabre Logo
Posted on Jan 01, 2011
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How to replace heater core 1994 buick lesabre

2 Answers

raj somaiya

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  • Buick Master 5,370 Answers
  • Posted on Feb 17, 2012
raj somaiya
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For heater core replacing procedure. I suggest you to go through this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?

Click the link below: ---

http://technoanswers.blogspot.com/2011/11/how-to-replace-heater-core-for-all-car.html

--------------
How to Flush Heater Core?

http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html

---------------
How to Remove Heater Core ?

http://howtobyme.blogspot.com/2011/12/how-to-remove-heater-core-on-2008-honda.html
Heater Core Replacement?

http://howtobyme.blogspot.com/2011/12/honda-heater-core-replacement.html

------------
To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------

How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html
----------This will help.Thanks.

Anonymous

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  • Expert 375 Answers
  • Posted on Jan 11, 2011
Anonymous
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Joined: Nov 20, 2010
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If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing

  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
how to replace heater core 1994 buick lesabre - f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

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4 Related Answers

Anonymous

  • 46 Answers
  • Posted on May 30, 2008

SOURCE: heater core replacement

Actually if your handy the heater core on this car is pretty easy..  passengers side under the dash... but here is a link to some sites that will probably help  
from .... one of the wikki sites.. LOL cant remember which now

The heater core is located under the dash, in the center above the "hump". 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. First drain the radiator. Then you have to disconnect the hoses. There are two hoses connected to nipples of the heater core that are thru the center of the firewall. This has to be done from underneath the car while raised. I also had to unbolt a frame support to get to the hose clamps (I have big hands; you may be able to reach them without unbolting it). Remove the screws that hold on the cover to the heater core. You should be able to get the old one out now. Just go in reverse order to put it back together.

also this link is very handy they have a pretty complete collection for MANY vehicles
http://www.autozone.com/shopping/repairLanding.htm

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Keith100881

Dennis Saunders

  • 74 Answers
  • Posted on May 16, 2009

SOURCE: how hard is it to replace the heater core in a

its not to bad but figure about 4.5 hours by the book to bleed air and all

proJekttaLon

Alan Timperley

  • 91 Answers
  • Posted on May 25, 2009

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.

Boneebone

  • 973 Answers
  • Posted on Jun 16, 2010

SOURCE: how do i remove the heater core on a 1994 buick

The Heater Core is usually removed through the lower dash on the passanger side.

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I just hang thermostat in 1994 buick lesabre and still get no heat what can be wrong

Either the controller is not moving the valve or your heater core is clogged and needs to be back flushed.
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Hot air comes out when a/c is on

check to ensure that the compressor clutch is engaging when turned on. There are ac wires that may have been disconnected in the core replacement process.
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For heater core replacing procedure. I suggest you to go through this related help links.Its all complete step by step procedure: ----How to replace heater core for All car models?

Click the link below: ---

http://technoanswers.blogspot.com/2011/11/how-to-replace-heater-core-for-all-car.html

--------------
How to Flush Heater Core?

http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html

---------------
How to Remove Heater Core ?

http://howtobyme.blogspot.com/2011/12/how-to-remove-heater-core-on-2008-honda.html
Heater Core Replacement?

http://howtobyme.blogspot.com/2011/12/honda-heater-core-replacement.html

------------
To replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on.html------

How to replace heater core?http://technoanswers.blogspot.in/2012/02/how-to-replace-heater-core-on_10.html
How to replace heater core on Buick Regal?

http://howtobyme.blogspot.in/2012/02/how-to-replace-heater-core-on-buick.html
----------This will help.Thanks.

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WHERE IS THE HEATER COIL AND HOW DO I REMOVE AND REPLACE IT

I own a 1994 LeSabre and the heater core on my car is located under the dash (in the center in a black plastic box). Remove some of the cosmetic dash pieces to access this black plastic box. First, you must drain the radiator of coolant, Then remove the two hoses. Next, the cover of this balck box can be removed by unscrewing the two screws Remove the screws and the heater core should now be accessable. Then you should be able to get the old one out.

Please remember to rate my solution. Thanks!
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HEATER CORE IS HARD TO FIX YES OR NO

NO, this year and model is not bad. the dash doesnt have to come out. on this model its done from under the hood, remove the hoses to ccore at the core then remove the cover and remove the heater core, if theres a switch in front of the cover remove also, the job is time rated at 2.5 hours. here a diagram to help you,9702c78.gif
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Heater does not give out heat all the time

possiblt thermostat, how bad was the cooling system before it was serviced, recmd replace thermostate first, if you still have problem, reverse flush heater core to remove settlement from heater core
1helpful
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94 buick lesabre a/c works but heater does not it only blows cool air. only one hose is hot runnining into fire wall. what is the problem? and how to fix it? Thank you

If only one hose is hot you've got a blocked heater core resulting from either sediment in the core or a defective heater valve. Check the voltage to the valve with the heater controls set to high, if there's no voltage you need to replace the valve. If the valve is working you need to get the sediment out of the core itself. Sometimes you can get lucky and reverse flush the core using a hose on the outflow hose. But most times you need to remove the core to clean it.
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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.
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Heater core replacement

Actually if your handy the heater core on this car is pretty easy..  passengers side under the dash... but here is a link to some sites that will probably help  
from .... one of the wikki sites.. LOL cant remember which now

The heater core is located under the dash, in the center above the "hump". 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. First drain the radiator. Then you have to disconnect the hoses. There are two hoses connected to nipples of the heater core that are thru the center of the firewall. This has to be done from underneath the car while raised. I also had to unbolt a frame support to get to the hose clamps (I have big hands; you may be able to reach them without unbolting it). Remove the screws that hold on the cover to the heater core. You should be able to get the old one out now. Just go in reverse order to put it back together.

also this link is very handy they have a pretty complete collection for MANY vehicles
http://www.autozone.com/shopping/repairLanding.htm
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