20 Most Recent 2008 Buick Lacrosse Questions & Answers

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2008 Buick Lacrosse code C0121, is orange wire to ABS module supposed to have 12 volts?

https://www.google.com/search?q=2008+buick+lacrosse+code+c0121Yes, this says 'ignition voltage', even though the code is C0036, it does state that the ABS uses 12 volts system voltage.C0036 BUICK Code Left Front Wheel Speed Sensor Circuit ...https://www.autocodes.com > c0036_buickMay 2, 2018 - The Wheel Speed Sensor (WSS) receives ignition voltage from the Electronic Brake Control Module (EBCM) and provides a DC square wave signal back .....
3/13/2022 10:56:15 PM • 2008 Buick... • Answered on Mar 13, 2022
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How do I found security key code for the bcm?

It requires pairing with the security devices in your vehicle. Take it to a dealership that can do it for you.
2/6/2022 9:04:22 AM • 2008 Buick... • Answered on Feb 06, 2022
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Drain plug is where on 2008 Buick La crosse?

Where is drain plug on radiator locatef
11/16/2021 2:19:44 PM • 2008 Buick... • Answered on Nov 16, 2021
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08 Buick lacrosse heated seats switch do not stay on when I push it

It's a bad switch needs to be replaced
7/19/2021 3:27:32 PM • 2008 Buick... • Answered on Jul 19, 2021
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How do I change The heater core of my 2008 Buick lacrosse?

HI, Ok, you dont remove the dash or upper dash pad for this job. You remove the lower trim panels underneath the left and right side of the dash, remove the center console if equipped, then pull the front carpet back and remove the air ducts going to the back. Then you remove the heater core housing and separate to remove the heater core
2/8/2021 2:43:48 AM • 2008 Buick... • Answered on Feb 08, 2021
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Programming a keyless remote on a 2008 buick lacrosse

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3/22/2019 2:42:10 AM • 2008 Buick... • Answered on Mar 22, 2019
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Where can I find the serpentine belt tensioner on a Buick Lacrosse V8 2008?

It is along the belt route. It is a 3" diameter pulley about mid engine .It is on a lever about 4" long has a big bolt head and the lever has about 2" of clearance to move back and forth. You release it by turning the counterclockwise. Mike
3/3/2019 9:23:12 PM • 2008 Buick... • Answered on Mar 03, 2019
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Does anyone know how too fix my won't start on o8 lacrosse 3.8 ?.

the p003# codes refer to the heated oxygen sensor in the exhaust pipe before the cat converter code p 0443 refers to EVAP system and the p 0201# refer to injectors all have the ECM as a possible cause and as the ECM is the engine management controller then it would be logical that the problem would be in that unit Substitute it with a known good unit to check The p 0443 code may be a clue as well because if the EVAP system is not venting the tank , the pump will not be able to pump fuel and the pressure will be below that required to run the engine . That would possibly account also for all of the injector codes I suggest that you try the ECM fix first and go from there n
8/27/2018 12:40:52 AM • 2008 Buick... • Answered on Aug 27, 2018
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How do I move engine forward to get at rear plugs on 2008 lacrosse 5.3 motor

Simple, the best way to do this is to pay a mechanic to do it!! To do it yourself you will need to release the two front, upper engine mounts and roll the engine forward. You might need use a ratchet strap anchored to the lift hoop on top of the engine and a fixed anchor point in front of the car **that cannot move**. A good example would be the cross brace bar on a 'drive on' inspection ramp. **DON'T use anything other than the correct anchor points for your own safety!!** **Roll it forward NO MORE THAN 6 INCHES!** More will over stretch pipes, wires and over stress the other engine mounts. After that it is a case of wrestling around behind the engine until you get the plugs out. As I said pay a good mechanic to do it!
5/15/2018 9:44:35 PM • 2008 Buick... • Answered on May 15, 2018
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How to replace thermostat on a 2008 buick lacrosse cx 3.8L

This thermostat is for ls4, if that isn't what you have, let us know. in the picture, 305 is the thermostat. I realize the text is a little small, hope you can read it. thermostat ls4-fqnktcc0zyba3mvvqc525fer-2-0.jpg
3/14/2018 6:44:14 PM • 2008 Buick... • Answered on Mar 14, 2018
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Replace engine thermostat

Try www.reliable-store.com , it's very helpful in repairing your vehicle
3/13/2018 6:49:02 PM • 2008 Buick... • Answered on Mar 13, 2018
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I have a 2008 Buick

Wiper/Washer System Operation The body control module (BCM) is part of the windshield wiper motor system and controls the wiper motor operation. The windshield wiper motor is a 2 speed motor. Windshield wiper intermittent operation is a low speed wiper motor function with a variable delay interval between the wipe cycles. The intermittent interval is controlled through a series of resistors within the wiper / washer switch. During intermittent wiper operation the windshield wiper switch low signal circuit is at the same circuit used for LOW operation. Do you know what a BCM is ? There are DTC'S - diagnostic trouble codes that can set . DTC B3873 DTC B3874 (V8) DTC B3874 (V6) DTC B3875 (V8) DTC B3875 (V6) DTC B3922 You said aboout every 1.5 months) it doesn't start and the battery is drained..???? Do you drive the vehicle every day ? Any charging system messages on the DIC - dirver info. center . After sitting over nignt it won't start ? Or it cranks but doesn't start an you drain the battery ? If the vehicle had a parasitic drain on the electrical circuit it would drain the battery after sitting over night , not every 1.5 months . GM vehicles have instrument cluster problems that drain the battery , usually after sitting a couple of days , not after a month an a half . Horn beeping an wipres / washers coming on are BCM problems , Grounds , faulty input signals to the BCM ect.... An these problems can be hard to diagnose with them now happening . aren't electronics great ! Watch this video ! Chevrolet Truck Battery Dies Overnight Part Have you heard od electronics silver miagration ?
4/30/2017 3:46:54 PM • 2008 Buick... • Answered on Apr 30, 2017
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What is the labor time to fix a bcm on a 2008 buick lacrosse?

fix a bcm ? That would depend on the problem . Your best bet , take it to Buick dealer
1/5/2017 3:25:45 PM • 2008 Buick... • Answered on Jan 05, 2017
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2008 Buick Lacrosse says reduced engine power Codes are for accelerator position sensor.it said repair faulty wiring in passenger compartment. U know where this compartment is and which wires

only place possible fault like that might referring to is be a push in loom connection up or behind the kick panel of the passenger side or closer to the center console this system would be plugged into the ECU this is the peddle and position sensor parts 26284462-bgucj2u4eagekzarft0jvqjp-3-0.gif 26284462-bgucj2u4eagekzarft0jvqjp-3-1.jpg 26284462-bgucj2u4eagekzarft0jvqjp-3-3.jpg
9/17/2016 5:34:04 AM • 2008 Buick... • Answered on Sep 17, 2016
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How can I replace the key lock on glove box latch on a 2008 buick lacrosse?

Well you didnt state year make and model so. im going to give basic idea if you open glove box loo at back side of door there is usually two screws or a clip that you have to remove then pull lock out install new one and either resrew or clip
3/15/2016 1:56:18 AM • 2008 Buick... • Answered on Mar 15, 2016
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Why do lights turn on 20 min. after it is shut down and can't be turned off?

What lights ? inside lights , headlamps ?
1/6/2016 8:26:02 PM • 2008 Buick... • Answered on Jan 06, 2016
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While driving the starting disabled warning came on and the car quit. after 3 tries it started and seems ok. what happened?

It just said starting disabled , nothing else ? Starting Disabled (Due To Electronic Throttle Control) Starting Disabled (Due To Theft System) No other lights ? Service Vehicle Soon , check engine , security ? Reduced Engine Power message ?
10/2/2015 11:21:51 PM • 2008 Buick... • Answered on Oct 02, 2015
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What causes traction control to keep sticking and brakes go low when brakes are hit hard and the car makes a noise and shaking like tire rods are broke?

also tied into ABS brakes...depending on mileage...could just be worn out pads, and warped rotors...inspect closely...
8/13/2015 8:43:57 PM • 2008 Buick... • Answered on Aug 13, 2015
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