Question about 1994 Buick LeSabre

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Heater core replacement

I have a 1994 Buick Lesabre and need to replace the heater core.
Can I do this myself and is there anywhere on the internet I can get instructions?

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  • Anonymous Mar 22, 2014

    How hard is the job

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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

Posted on May 30, 2008

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1 Answer

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.

Sep 22, 2014 | 1994 Buick LeSabre

1 Answer

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.

Dec 28, 2013 | 1994 Buick LeSabre

1 Answer

Removing heater core


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.

Jan 31, 2012 | 1992 Buick LeSabre

1 Answer

Heater core is working but car is not blowing hot air


Regarding this types of problem,i suggest you to go through this help links.Click the link below to go through the procedure and troubleshoot the problem :----

HOW TO REPLACE AN UPPER RADIATOR HOSE

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-upper-radiator-hose.html

-------------
HOW TO REPLACE A LOWER RADIATOR HOSEhttp://schematicsdiagram.blogspot.com/2011/07/how-to-replace-lower-radiator-hose.html
----------How to Flush Heater Core?http://schematicsdiagram.blogspot.com/2011/12/how-to-flush-heater-core.html
------------

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.

Jan 25, 2012 | 2001 Buick LeSabre

1 Answer

How hard is it to replace the heater core and how much should it cost.


The heater core in the LeSabre is one of the easiest to replace. I can do one in 30 minutes and I'm not a mechanic. I've never paid to have it done. Here are directions.

Jan 14, 2011 | 1997 Buick LeSabre

2 Answers

How to replace heater core 1994 buick lesabre


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.
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.

Jan 01, 2011 | 1994 Buick LeSabre

1 Answer

My heat just stopped working on 2000 Lesabre. What are some possible causes of this


One or more of:

1. Your coolant level is low
2. Your thermostat doesn't close and needs to be replaced
3. The valve from the cooling system to the heater core is stuck
4. Your heater core is clogged

Feb 03, 2010 | 2000 Buick LeSabre

1 Answer

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

Jan 22, 2010 | 1994 Buick LeSabre

2 Answers

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.

Oct 24, 2009 | 1994 Buick LeSabre

1 Answer

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.

May 25, 2009 | 1994 Buick LeSabre

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