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Heat not working 2008 buick lacrosse put in new thermostat

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Most likely clogged heater core. You could try to flush it and may come back to life.

Posted on Dec 01, 2019

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Could be a clogged radiator or defective hose

Posted on Dec 01, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

Keith100881

Dennis Saunders

  • 74 Answers

SOURCE: remote for buick Lacross doesn't work, battery new. Can't figure how to reset it.

have to be reset by dealer usually 20 to 35 dollars to do so

Posted on May 16, 2009

olwork

PokeyOkie

  • 237 Answers

SOURCE: The air conditioning in my 2008 Buick LaCrosse

Need clarification...
Does the compressor run steady, cycle on and off continually or even come on at all? If cycles on-off then attach charge manifold/gauge set and bring freon up to proper level. If does not come on at all, then start engine, turn a/c on, remove two-wire plug from low pressure cut-out switch mounted on accumulator. Jumper the wires at plug and see if compressor comes on. If so, bring freon up to proper level.

If charge level was low then check for system leak after system charge with an electronic leak detector if available.

If compressor runs but doesn't cool vehicle then with engine running and a/c on feel (carefully) the lines. High side line should be hot (be careful) and low side line should be cold. If these are both true then it's possible non-cooling condition is due to air temp diverter door not operating or heater valve not shutting off (if so equipped). If low side not cold it could be a plugged orifice tube. If high side not hot it could be bad rings on compressor. Both conditions can be diagnosed with a/c manifold gauge set by noting the pressures.

For safety... if not familiar with differences between hi and low side components or with charge equipment then please take vehicle to qualified person for service.

Posted on Jun 22, 2009

Anonymous

  • 6 Answers

SOURCE: My remote won't start my 2005 Buick LaCross. I

Both my remotes no longer work. I will be ordering new ones off Ebay and having my dealer program them. New ones from Buick are very pricey.

Posted on Oct 20, 2009

kevingsuzuki

  • 752 Answers

SOURCE: little heat in car

try changing antifreeze you may have whats called vapor locked wich prevents coolant from circulating

Posted on Feb 14, 2010

Victor

  • 645 Answers

SOURCE: where is the trunk light on/off switch located on a 2008 buick lacrosse

In the newer Chevy Cobalts the trunk release button is usually located to the left of the steering wheel instead of the glove box.-----------------------------------------------------------------------------
Car cable & OBD Connector

Posted on Dec 07, 2012

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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/john_1c0d56ae6561cc2b

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