Question about 2007 Buick LaCrosse CXL Sedan

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2007 Buick Lacross hearter blows only cold air

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  • Sarah Cookman Dec 31, 2012

    The heat gauge reads about half way across. So it appears the thermostat works.

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I have 2007 Lacrosse with 90,000 miles.It was doing the some thing all it was is a restricted heater core. Warm the car up to temperature, feel the heater hoses under the hood, at the fire wall if there is a big difference in temperature, it is the problem.I found it easier to take both heater hoses of at the block then run a garden hose into the one that was hottest and let the other one run into a container, Then you will see what washes out. Put them back on and add water you will have heat again, You should flush the whole system because what is happening your antifreeze is wore out. Good luck!

Posted on Feb 02, 2013

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Posted on Jan 02, 2017

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SOURCE: heater blowing cold air Buick Century 2000

does the car not heat up in general? Whats the temp gauge doing and how long of a ride have you tried this for?

Posted on Jan 06, 2009

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SOURCE: heater is blowing cold air

check the coolant level on your radiator

Posted on Feb 03, 2009

  • 1 Answer

SOURCE: 2006 buick Lacross heater blows cold air

check the radiator hoses to see if they are war mto the touch. if cold, the thermostat is seized open

Posted on Nov 10, 2011

emissionwiz
  • 75797 Answers

SOURCE: 2007 Buick Lacross says remote start disabled- how do I fix it?

When the service engine soon light (Also called the check engine light or engine management light) is turned on this is to alert you to the fact that Powertrain Control Module (computer) has detected a failure somewhere in the systems it controls you may not feel any difference in the way the engine runs, this can be the transmission or the engine or emission system, there are fault codes set in the modules memory for these faults. What needs to happen now is to have the powertrain control module scanned with a special tool called an OBD2 electronic engine control scanner or a OBD2 code reader. Once the code(s) are read then you must perform the diagnostics for each code and make the appropriate repairs based on the findings of the diagnosis that was performed, this is called doing "Pinpoint" testing.

Posted on Sep 27, 2012

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Blows cold air turn heat on


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My hearter won't blow hot just cold and the blower does blow any ideas


Heater core is clogged, heater core valve is stuck closed, air pocket in heater hose circuit.

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1 Answer

How can I get my key out of the ignition of my 2007 Buick LaCross?


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1 Answer

I have my key stuck in the ignition of my 2007 Buick Lacross. How do I get it out.


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Why did the passenger side of the dual climate control on my Buick Lucerne only start blowing cold air? Have no heat on that side, just air conditioning works.


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1 Answer

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1 Answer

2006 buick Lacross heater blows cold air


check the radiator hoses to see if they are war mto the touch. if cold, the thermostat is seized open

Nov 10, 2011 | 2006 Buick LaCrosse

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