Buick Lacrosse knocking problems

Filed Aug 26, 2025 · Engine · MI

Today is 8.26.2025, I took this car back and left it w/dealership: Let them figure it out! I told them 0ne month after purchase this car is constantly EMPTY with no/Oil. I should not be getting oil changes this often. "Oh, it just burns more Oil and you bought a USED car"...Months later I hear smalls sounds, engine light comes on, then goes away, smoke begans to continue spreading behind the BUMPER building a permanent black spot on bumper! It smells, from time to time, plus car feels sluggish when driving past 50mph almost SCARED it will cut off** Now, I gather my funds that I don't have to SPEND (CASH) no CREDITCARD and I proceed to BELLE TIRE! I am on file within their system. (Receipts) They do what they do... apparently no Leaks. But the car is burning too much oil!! too Fast! "Keep an Eye on your Levels"... hmmm* I also got a MAINTENANCE TUNE-UP on my next visit. So far roughly $2000 has been SPENT towards this VEHICLE (Buick). (New Battery also) plus AAA Cost *I have a Membership* Now time continues to move forward this car KNOCKING,CLOUDS of SMOKE, In the car, Outside the car, Around the Car, thru the vents, PULLING, STAHLING, KNOCKING, CLUNCK,CLUNCK,; EMBARASSING!!! My son and I, Oh no... *We the Meat Inside a Barbecue Grill* DROP OFF/ASAP (pulled over Called AAA). (7/24/2024 - 8/25/2025)Owned this car 1Yr!! I need a New Car they wont give me one...I made every monthly payment On time all by WESTERN UNION (receipts). I go into the same store each month 19th -22nd and PAY. They don't want to TRADE-IN either*

Filed Sep 11, 2020 · Electrical, Engine · 43,000 miles · IA

While driving on a city street at 20 MPH the engine started knocking and the service charging system light came on. A few minutes later as I was backing into a parking spot in a parking lot at work the car shut off and would not restart. I had the car towed home and a mechanic looked at it and seen that the engine was hydro-locked which he was able to unlock. After checking the spark plugs, coils, valve cover, timing, oil, coolant, alternator, starter, battery, fuse block and wiring harness, the plugs needed replaced, there was metal shavings in the oil and some type of fluid in some of the sensor plugs on the motor. After replacing the plugs and oil and oil filter and cleaning other components I was driving the car to the store and the malfunction light came on along with service charging system and service stability trak I stopped at autozone to have them scan the engine and the code came back with malfunction with spark plug #3 so I bought a new plug and on the way home about 10 mins after leaving autozone the car completely shut down in the middle of the road. My mechanic came and we were able to get it to restart and get it back home which was only a few blocks. After doing another tuneup and getting it to drive again 2 blocks from my place a rod went right through the front bottom of the engine block which then required for a new engine. I called gm, buick, the car lot I got the car from and everyone said there was no longer a warranty on the vehicle so the only choice I would have was to pay $10,000 for a new engine not including labor price. My car insurance didn't cover mechanical failures either so I was stuck with a $30,000 car that wasn't drivable. Cause is unknown. I bought this car in jan. 2015 with 31,000 miles on it and this happened in nov 2015 with 40 some thousand miles on it. Routine maintenance was kept up to date also.

Filed Oct 21, 2019 · Electrical, Engine · 71,000 miles · MD

I had the car repaired last year around this time with an issue saying that the battery charging system needed to be serviced. At the time I had recently bought a battery but the shop informed it could be due to a dead cell in the battery 1 year exactly and the same issue occurs. It start with the check engine light being displayed then it will start sending the message and battery light comes on. There should not be another dead cell battery. There is definitely an issue with the charging system of these cars. This will cause the vehicle when in eco mode to restart cause power loss whe driving and also cause the radio, navigation ect to loss brightness. The car releases loud sound for the A/C and defrost thumping and ticking also sputtering when accelerator is touched. Even when switching from park to any other gear is when this is heard regarding when A/C heat or defrost is on . This is during driving or after starting car. Originally happened 10/12/18 happening again as of 10/18/2019

Filed Dec 31, 2018 · Brakes, Engine · 71,000 miles · IL

While accelerating from a stop at an intersection and intitating a trn on a city street, the engine stopped and lost power steering and power brakes. The engine had to be jumped and a rod knock sound occurred. The engine later siezed up permanently at the service center. The vehicle was well maintained and oil levels were within normal operating range. There were no prior indications of engine trouble.

Filed Apr 25, 2017 · Electrical, Engine · 93,285 miles · TN

I made a stop at the stop sign on ridge hill dr and hickory hill rd. As I turn left on hickory hill rd my car started to make a loud knocking sound from the motor. So I stayed traveling the same direction on hickory hill rd to the auto zone on the right that's located on hickory hill rd and winchester rd. I purchased ignition coils, wires, and shark plug for my vehicle. I get on hickory hill rd heading to raines rd. I get the red light on hickory hill rd and raines rd I started to smell something burning inside the vehicle. The light turns green as I travel down hickory hill rd I started to see smoke coming from under my two front seats. I made a right on ridge hill dr to get out the vehicle at my relative home. I called a mechanic to do the labor on the vehicle just it was still in the same condition after the new parts. So I came to my vehicle to get my personal items that thursday april 20,2017 I notice a deep burn location on the middle of the carpet. I then pull the front carpet up and I seen everything in the middle of the vehicle was burned.

Filed Apr 13, 2016 · Airbags, Steering · 80,000 miles · TX

Tl* the contact owns a 2006 buick lacrosse. While driving at any speed. The air bag light remained illuminated. The vehicle was not diagnosed nor repaired. In addition, while driving at any speed and making a right or left turn, the steering wheel made a loud knocking noise. The vehicle was taken to the dealer where the power steering pump had a leak and was replaced. The failure recurred. The VIN was not included in the federal safety agency campaign number: 09e005000 (steering). The manufacturer was not notified of the failure. The approximate failure mileage was 80,000. Updated 06/14/16*lj

Filed Aug 26, 2014 · Engine · 92,300 miles · CA

Tl* the contact owns a 2007 buick lacrosse. The contact stated that when attempting to start the vehicle, a spark emitted from the ignition and the vehicle failed to start. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 92,300. Updated 10/23/14*cn the consumer stated the traction control failed due to the barrons and arm damage to the front tires, the water pump failed. The lifters made a loud knocking noise. Water would enter through the driver's side window seal. The tires were be replaced. Updated 4/13/2015

Filed Aug 16, 2013 · Steering · 9,700 miles · MO

Tl* the contact owns a 2012 buick lacrosse. The contact stated that when making a sharp turn in either direction, the steering wheel would exhibit a loud knock without warning. The contact mentioned that it was a safety concern of his that the steering wheel would detach as a result. The vehicle was taken to a dealer where it was advised that there was no failure. The technician stated that the vehicle was performing as it was designed. The manufacturer was notified of the failure. The vehicle was not repaired. The approximate failure and current mileage was 9,700. Updated 10/17/13

Filed Mar 12, 2013 · Suspension · 10,000 miles · PA

Tl* the contact owns a 2011 buick lacrosse. The contact stated that while driving at various speeds over a bump, a loud knocking noise continuously emitted from the front passenger's side. The failure occurred whenever encountering uneven road surfaces or bumps. The vehicle was taken to an authorized dealer for diagnosis. The technician stated that the failure was contributed to the front end suspension and the vehicle performed as designed. The manufacturer was notified of the defect. The approximate failure mileage was 10,000.

Filed May 25, 2012 · Engine · NJ

2012 buick lacrosse. Consumer states mechanical breakdown *tgw the consumer stated while driving, he could smell a burning odor and a very low knocking sound coming from the vehicle. The vehicle was taken to the dealer for a diagnosis. The consumer was informed there was no oil on the dip stick, the rear main seal was leaking and there was oil leaking between the engine and transmission. The consumer also stated a warning light never appeared on the dashboard to warn him of a problem.