Question about 2002 Buick LeSabre

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2002 buick lesabre heater problems

Heater problem

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  • 239 Answers

See if coolant level is low (air in cooling system)
have codes pulled for acm/bcm could be acuator motor issue

Posted on Dec 29, 2013

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Posted on Jan 02, 2017

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

bozcro
  • 867 Answers

SOURCE: 2000 Buick LeSabre heater only blows cold

the climate control thermostat is not opening the valve to let the warm coolant in

Posted on Nov 29, 2009

  • 432 Answers

SOURCE: 2002 Buick Lesabre codes P0131, P0171, and P1133.

Sounds like you just need to replace the one or two 02 sensors on bank 1.If you have over 100,000 miles the 02 sensos are realy to be replaced just as spark plugs and air filteres. If you wait to long to replace them you take a chance of them not comming out and then when they do go bad you will need to replace the exhaust as well.Hope this helps and good luck.

Posted on May 16, 2010

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Drain coolant from the radiator. Loosen the hose clamps at both ends of the hose and slide them off back. Gently remove the hose from the metal nipples. A screwdriver can help loosen the grip which the hose on the nipples, or you can cut the rubber. Place the hose clamps on the new hose in positions which are away from the clamping areas. Install the new hose and slide the hose clamps into position and tighten. Refill cooling system with coolant.

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just one idea my freinds buick if it gets low on antifreeze it will not blow hot air maybe you can check the antifreeze level

Mar 15, 2009 | 2000 Buick LeSabre

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