The ac on my 2005 Buick lacrosse is tripping. When I turn for knob it blows at a whisper then slightly catches up or not at all. Sometimes it only blows when I'm doing at least 45 mph. Other times I turn it off and it continues to blow. Please help it is a very hot Louisiana summer!

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Jeff Armer

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Posted on Mar 06, 2018

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Does it have manual or automatic climate control . Do you know ? It's probably the blower motor control processor . electronically controlled . Your vehicle is the same as this GMC
GMC Yukon HVAC Blower Motor Won Turn On

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GMC Yukon HVAC Blower Motor Won Turn On

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Ed Mac

731 Answers
Posted on Apr 04, 2010

SOURCE: My AC blows hot air out the driver's side and cold

My 02 Century has dual temp controls . One for driver for passenger. Make sure you don't have the dual climate enabled and just set for heat on your side and AC on the passengers

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The ac on my 2005 Buick lacrosse is tripping. When I turn for knob it blows at a whisper then slightly catches up or not at all. Sometimes it only blows when I'm doing at least 45 mph. Other times I turn it off and it continues to blow. Please help it is a very hot Louisiana summer!

1 Answer

Jeff Armer

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Ed Mac

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The ac on my 2005 Buick lacrosse is tripping. When I turn for knob it blows at a whisper then slightly catches up or not at all. Sometimes it only blows when I'm doing at least 45 mph. Other times I turn it off and it continues to blow. Please help it is a very hot Louisiana summer!

1 Answer

Jeff Armer

1 Related Answer

Ed Mac

Add Your Answer

Attachments: Added items

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How to remove taillight on 2005 buick lacross

When a Buick lacrosse start smoking and the steering wheel lock whats wrong with it

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2005 buick lacrosse heater doesn't get warm. no matter what temp setting, only cold air blows. any suggestions?

MY 2005 BUICK LACROSSE HEATER BLOWS COOL AIR, AND AT A VERY LOW FAN FLOW LEVEL OUT OF THE VENTS. THE CAR WILL WARM UP SOME AFTER A WHILE BUT NOT AS WARM AS IT SHOULD. PLEASE ADVISE HOW TO FIX THIS PROBLEM.

How much will it cost to replace the 2 passenger doors on my 2005 buick lacrosse I am concerned the insurance company will total it

My heater fan stopped blowing on my 2005 Lacrosse without warning

I have a 2005 Buick LaSabre. When I turn the heater on it blows cold air. Once I kept changing the knob from cold to hot and it finally started working but then it warmed up so I used the AC. When I tried...

Low beams on my 2005 buick lacrosse have failed and the fuses are intact

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