20 Most Recent 2005 Buick LaCrosse - Page 5 Questions & Answers

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I have codes C0040 and C0245 which relate to the

it is likely the sensor but I would test it before you replace it. you will need to check the resistance on the wires coming off the sensor you will also need to know what the right resistance is.
6/30/2015 6:02:59 PM • 2005 Buick... • Answered on Jun 30, 2015
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How do you remove the dashboard by the glove box. i have a leak

Hi Robin: Every once in a while I have to ask myself if I would be comfortable with the repair that is being contemplated. In this situation, my understanding of the windshield installation, and more importantly, my ability to try to repair a leak, are such that I would tend to recommend that you try to seek some local professional advice. Most automotive glass shops will look at your problem and provide an estimate of the cost to repair it. They have specialty tools and the appropriate glues and sealers. My hint? if the shop has been in business for some time, or you get a referral from someone you know who has had work done, you'll usually get good service at a fair price. Best of luck on this one.
6/19/2015 4:14:54 AM • 2005 Buick... • Answered on Jun 19, 2015
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Is this Car Remote already programmed for the 2005 Buick LaCrosse - I'd like to purchase?

NORMANLLY AN AFTER MARKET REMOTE HAS TO BE SET TO YOUR CAR
6/6/2015 11:26:52 PM • 2005 Buick... • Answered on Jun 06, 2015
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Where is the crankshaft sensor located on a 2005 Buick LaCrosse 3.6 motor

its on the riight side of engine block near transmision
5/26/2015 11:12:31 AM • 2005 Buick... • Answered on May 26, 2015
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The car off the headlight stay on r comes back on later i changed out the headl switch in side the car and still have the problem and it drains the battery.

I'd make sure the battery has a full charge? Don't let the alternator charge it, if down very much, use a battery charger. Also, check your charging system. Is your headlamp system full auto, meaning you can't manually turn off your headlamps? If battery is down, I don't like that system at all. You don't want to run around town in broad daylight with the headlamps on and the battery down with the alternator trying to do everything. If full charge on battery and charging system ok, check for applicable trouble codes for bcm and or headlamp codes. Some of the national brand auto stores will check codes for free. In the diagram, the left side of module and hi beam relay, is the control side, has to have voltage and ground. The bcm supplies ground for one and voltage for the other. The bcm knows what's going on because of headlamp switch. I know you said the switch was new, but, what about the switch wiring to or from the bcm. 25700714-mnpekks2wtpddcd1rsspob30-4-0.jpg
5/17/2015 9:15:45 PM • 2005 Buick... • Answered on May 17, 2015
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Headlight turns on hours after the car is shut off

Ignition switch is at issue..its on steerin colum and very complex.....hav a nondealer troublshoot it
5/17/2015 5:27:21 PM • 2005 Buick... • Answered on May 17, 2015
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Antifreeze leaking between engine and transmission 05 buick. where is it coming from ?

Check hose going into firewall leading to heater core
5/3/2015 12:49:49 AM • 2005 Buick... • Answered on May 03, 2015
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Why would both low beam headlights go out at the same 2009 ex35 infinity

NHTSA issued recall number 14V755 to address Low Beam headlights being extinguished. GM stated the problem is the headlight delay module (HDM) may not operate in the thermal environment of the underhood electrical center. GM has not issued a fix as yet. Here are four ways I know of to correct this. 1. Have a spare HDM and replace at the first flicker of trouble. 2. Install a heat shield to wick heat away from the electrical center. 3. Install a cooler (fail open) thermostat and run the ac constantly. The ac turns on an additional cooling fan. 4. Loosen the cover on the electrical center to allow air (and dirt) to circulate.
5/3/2015 12:29:20 AM • 2005 Buick... • Answered on May 03, 2015
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How do I replace the heater core?

most cars and trucks now have the a/c and heater core behind the dash - the dash has to be taken out to get to the heater core look to see where your heater core hoses goes thru the firewall - if it is directly behind the motor your heater core is on the other side of the firewall
5/2/2015 8:41:56 AM • 2005 Buick... • Answered on May 02, 2015
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I think the hoodlatch in my 2005 lacrosse is broken how can I open my hood

You maybe able to access it from underneath and behind your radiator ??
3/24/2015 7:58:54 PM • 2005 Buick... • Answered on Mar 24, 2015
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Where is the cigarette lighter fuse for 05 lacrosse

Fuses are just about always located in the fuse panel. Just to moralize a bit, as a cancer survivor, I really don't think that smoking is good for you. If you are smoking, please stop. My wife has a Buick and it is a really good vehicle. The interior of Buicks should not be smoked in. It lowers the value.
3/19/2015 3:41:20 AM • 2005 Buick... • Answered on Mar 19, 2015
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HOW DO I UNLOCK THE RADIO ON A 2005 BUICk LA CROSSE?

On you tube Go here for more Info.http://audioxpress.org/delco-radio-theftlock-unlock-codes/ WE CAN UNLOCK YOUR RADIO IF ITS A DELCOLOC II OR A DELCO THEFTLOCK RADIO
3/1/2015 9:11:51 PM • 2005 Buick... • Answered on Mar 01, 2015
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How do I reset the change oil soon light on a 2005 buick lacrosse

Located in the owner's manual.
2/13/2015 1:53:19 AM • 2005 Buick... • Answered on Feb 13, 2015
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How do i change spark plugs 2005 buick lacrosse

It may be a good primer to follow this YT video for a GM V6 motor. CHANGING SPARK PLUGS AND WIRES GM 3 1 3 4 V6
2/2/2015 9:38:00 PM • 2005 Buick... • Answered on Feb 02, 2015
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New power steering pump and pressure hose

Double check the hose to make sure it's tight. If it is tight, the rack is leaking.
1/31/2015 2:18:32 AM • 2005 Buick... • Answered on Jan 31, 2015
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