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How to remove a Heater Core from a 2003 Buick lesabre

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Posted on Jan 02, 2017

proJekttaLon
  • 91 Answers

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

  • 44 Answers

SOURCE: how to remove heater core on 1997 buick lesabre

pull apart the dash. go on the passenger side and there you go

Posted on Feb 10, 2010

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1 Answer

2003 buick lesabre limited heater blows cool air even when at operating temp


This may also have been caused by mixing regular anti-freeze with dex cool, which causes the coolant to become like pudding and clogging the heater core. They are NOT compatible. It may need to be professionally flushed with the proper chemicals. If one hose is hot and the other is colder, the core is most likely plugged. Going through this on one now.

Oct 29, 2012 | Buick LeSabre Cars & Trucks

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

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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

Change heater core 2000 buick lesabre


2000-2005 Heater Core Replacement Instructions REMOVAL PROCEDURE

TOOLS REQUIRED
J 38185 Spring Hose Clamp Pliers

1. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
2. Remove the fuel injector sight shield.
3. Position the J 38185 in order to remove the heater hose clamps.
4. Remove the heater hoses from the heater core.
5. Remove the left side sound insulator.
6. Remove the right side sound insulator.
7. Remove the air distributor duct screws (1,2). Due to the difficulty in the removal of the right side screw (2), it will not be necessary to install upon reassembly.
8. Remove the air distributor duct.
9. Remove the heater core heat shield screws.
10. Remove the heater core heat shield.
11. Remove the heater core cover screws (1).
12. Remove the heater core cover.
13. Remove the retaining screw and strap from the heater core.
14. Remove the heater core.


INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the heater core into the HVAC module using the attaching straps and screws. Tighten Tighten the screw to 1.4 N.m (12 lb in) .
2. Install the heater core cover.
3. Ensuring the seals at the front of dash are in the proper positions, install the heater core cover screws. Tighten Tighten the screws to 1.4 N.m (12 lb in) .
4. Install the heater core heat shield and screws (1). Tighten Tighten the screws to 1.4 N.m (12 lb in) .
5. Install the air distributor duct and the left screw (1). Ensure the right tab is seated properly. Tighten Tighten the screw to 1.4 N.m (12 lb in) .
6. Install the left side sound insulator.
7. Install the right side sound insulator.
8. Install the heater hoses and clamps using the J 38185.
9. Install the fuel injector sight shield.
10. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.

Hope this helps and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa.

Nov 03, 2011 | 2000 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

How do i bypass the heater core on a 97 buick le sabre


Ok to eliminate having heat in your vehicle and/or replacing a damaged heater core unhook both the 5/8" id hoses going to your heater core then remove them and connect a hose between both outlets to loop them. Newer replacment water pumps have interchangeable outlet fittings which can be removed and plugged with a pipe or drain plug if applicable the same as with your water neck fitting. Connecting the 2 together is a much easier fix

Dec 10, 2010 | 1997 Buick LeSabre

2 Answers

How to install a new top and bottom hvac heater hose fitting for a 2002 buick lesabre custom


The hoses are moved by turning them a few degree's, then pulling them off. See diagram below.

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Jun 19, 2010 | 2002 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

1 Answer

Heater core


Yes remove the duct till You see core

Jan 23, 2009 | 1988 Buick LeSabre

1 Answer

2005 Buick Allure heat problem


well if u changed thermosta did u noticed if both were same & had little hole on top of the old 1 lot of times aftermarket dont have them & u need to drill 1 urself same spot....or could b heater core going out

Dec 12, 2008 | 2003 Buick LeSabre

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