2017 Buick Lacrosse Transmission Problems

In this article, we will discuss the transmission problems that have been reported with the 2017 Buick Lacrosse. You will learn about common issues that owners have experienced, including delays in shifting, rough shifts, and even complete transmission failure. We will also provide information on potential causes of these problems and discuss possible solutions, such as software updates or transmission replacements. By the end of this article, you will have a better understanding of the transmission issues that some 2017 Buick Lacrosse owners have faced and how they can be addressed.

2017 Buick Lacrosse Transmission Problems


The 2017 Buick Lacrosse is a stylish and luxurious sedan that offers a comfortable and smooth driving experience. However, like any vehicle, it is not immune to problems, and one of the most common issues faced by owners is transmission problems. A faulty transmission can significantly impact the performance of the vehicle and lead to costly repairs. In this article, we will explore the common issues with the 2017 Buick Lacrosse transmission, the symptoms of transmission problems, the causes behind these issues, the diagnostic process, available repair options, costs associated with repairs, preventive measures, recall information, and real-world customer experiences. It is essential to address these problems promptly to maintain the optimal performance of your Buick Lacrosse.

Common issues with the Buick Lacrosse transmission

The transmission is a critical component of any vehicle, responsible for transferring power from the engine to the wheels. Unfortunately, the 2017 Buick Lacrosse has been known to experience several transmission issues. Some of the common problems reported by owners include:

  • Shifting delays: Many owners have complained about delays when shifting gears. This can be frustrating and may lead to a jerky driving experience.

  • Slipping or rough shifting: Some owners have reported that their Lacrosse’s transmission slips or shifts roughly while driving. This can result in a loss of power or a jolting motion.

  • Transmission failure: In some cases, the transmission may fail altogether, leaving the vehicle immobilized. This is a severe issue that requires immediate attention and repair.

Impacts of transmission problems on the vehicle’s performance

Transmission problems can have a significant impact on the overall performance of the 2017 Buick Lacrosse. Some of the common consequences of these problems include:

  • Decreased fuel efficiency: A faulty transmission can cause the engine to work harder, leading to increased fuel consumption and decreased mileage.

  • Loss of power: Shifting delays, slipping, or rough shifting can result in a loss of power, making it difficult to accelerate or maintain speed.

  • Unreliable performance: Transmission problems can lead to erratic or unpredictable vehicle performance, making driving unsafe and unpredictable.

  • Costly repairs: Ignoring transmission issues can lead to further damage to the vehicle, resulting in more expensive repairs down the road.


It’s essential to be aware of the warning signs that indicate transmission problems in your 2017 Buick Lacrosse. Catching these symptoms early can help prevent further damage and costly repairs. Some of the common warning signs include:

Warning signs of transmission problems in the Buick Lacrosse

  • Transmission fluid leakage: If you notice reddish-brown fluid pooling beneath your vehicle, it could be a sign of a transmission fluid leak. This should be addressed immediately as low fluid levels can cause significant damage.

  • Burning smell: A burning smell coming from the engine or under the vehicle can indicate an overheating transmission. Overheating can cause irreversible damage if not promptly addressed.

  • Unusual noises: Clunking, grinding, or whining sounds while shifting gears can indicate transmission problems. These noises should not be ignored as they can be early indicators of more severe issues.

Indications of a failing transmission

  • Slipping gears: If your vehicle suddenly shifts out of gear or experiences a loss of power while driving, it may be a sign of a failing transmission.

  • Delayed engagement: If there is a delay between shifting gears and the transmission actually engaging, it could be an indication of a problem.

  • Dashboard warning lights: A check engine light or a transmission warning light may illuminate on the dashboard, alerting you to a problem with the transmission.

  • Difficulty shifting: If you experience difficulty shifting gears or the gears feel stiff or hard to move, it could be a sign of a failing transmission.

2017 Buick Lacrosse Transmission Problems


Understanding the causes behind transmission problems in the 2017 Buick Lacrosse can help prevent future issues and make informed decisions regarding repairs. While there can be several reasons why the transmission may malfunction, some of the common causes include:

Possible reasons for transmission issues in the Buick Lacrosse

  • Low transmission fluid: Insufficient fluid levels can lead to poor lubrication and increased friction within the transmission, causing it to overheat and fail.

  • Contaminated transmission fluid: If the transmission fluid becomes contaminated with dirt, debris, or metal particles, it can lead to blockages and hinder the smooth operation of the transmission.

  • Wear and tear: Over time, the internal components of the transmission, such as clutch plates and bands, can wear out, leading to problems with shifting and overall transmission functionality.

Contributing factors to transmission problems

  • Lack of maintenance: Failure to adhere to the recommended maintenance schedule, including regular fluid checks and changes, can increase the likelihood of transmission issues.

  • Driving habits: Aggressive driving, frequent towing, or consistently driving in stop-and-go traffic can put additional stress on the transmission, leading to premature wear and potential failures.

  • Manufacturer defects: In some cases, transmission issues may be the result of manufacturing defects or design flaws. These issues may be addressed through recalls or warranty programs.

Diagnostic Process

When faced with transmission problems in your 2017 Buick Lacrosse, a proper diagnostic process is essential to identify the root cause of the issue. It is recommended to consult a qualified mechanic or take your vehicle to an authorized Buick service center for a thorough diagnosis. The diagnostic process usually involves the following steps:

Steps to diagnose transmission problems in the Buick Lacrosse

  1. Visual inspection: The technician will visually inspect the transmission, looking for signs of leaks, damage, or wear.

  2. Fluid level and condition check: The technician will check the transmission fluid level and inspect its color, consistency, and odor. These factors can provide insight into the overall health of the transmission.

  3. Diagnostic scan: A diagnostic scan tool will be used to retrieve any trouble codes stored in the vehicle’s computer system. These codes can provide valuable information about specific transmission issues.

  4. Road test: The technician may perform a road test to evaluate the vehicle’s performance and observe any specific symptoms or irregularities firsthand.

Common tests and procedures for identifying issues

  • Pressure test: A pressure test may be conducted to check for abnormal pressure levels within the transmission. This can help determine if the problem lies with the hydraulic system or other internal components.

  • Transmission flush: If the transmission fluid is contaminated, a transmission flush may be recommended to remove any debris or contaminants and improve transmission performance.

  • Transmission pan inspection: Removing the transmission pan and inspecting the contents can reveal signs of internal damage or excessive wear.

2017 Buick Lacrosse Transmission Problems

Repair Options

Once the cause of the transmission problem has been identified, there are several available solutions for fixing the issues. The appropriate repair option will depend on the severity of the problem and the recommendations of a qualified mechanic or Buick service center. Some of the common repair options include:

Available solutions for fixing transmission problems

  • Transmission fluid flush and refill: If the transmission fluid is contaminated or low, a flush and refill may be necessary. This involves removing the old fluid, flushing the system, and refilling it with fresh fluid.

  • Transmission rebuild: In cases where significant internal damage has occurred, a transmission rebuild may be required. This involves disassembling the transmission, replacing damaged or worn components, and reassembling it.

  • Transmission replacement: In severe cases of transmission failure or irreparable damage, a complete transmission replacement may be necessary. This involves removing the old transmission and installing a new or remanufactured one.

Repair versus replacement considerations

When deciding between repair and replacement options, it is essential to consider factors such as the cost of the repair, the remaining lifespan of the vehicle, and the overall condition of the transmission. In some cases, particularly if the transmission is nearing the end of its lifespan, a replacement may be a more cost-effective long-term solution.


The expenses associated with 2017 Buick Lacrosse transmission repairs can vary depending on several factors, including the extent of the damage, the repair option chosen, and the labor rates in your area. It is crucial to obtain multiple quotes from reputable mechanics or Buick service centers to ensure you are getting a fair price. Some additional factors that may influence the repair costs include:

Estimating the expenses associated with transmission repairs

  • Replacement parts: The cost of replacement parts can vary depending on whether you choose brand new, remanufactured, or used components.

  • Labor costs: Labor rates vary between different service centers and geographical locations. The complexity of the repair will also impact the time required.

  • Additional repairs: Sometimes, a transmission problem may be a symptom of a larger issue. If other components, such as the torque converter or clutch, need to be repaired or replaced, it can add to the overall repair costs.

2017 Buick Lacrosse Transmission Problems


While some transmission problems may be inevitable, there are preventive measures you can take to minimize the risk of encountering transmission issues in your 2017 Buick Lacrosse. By following these maintenance tips, you can help ensure optimal transmission performance:

Preventive measures to minimize the risk of transmission problems

  • Regular fluid checks and changes: Adhere to the manufacturer’s recommendations for checking and changing the transmission fluid. Clean and properly lubricated fluid is essential for the smooth operation of the transmission.

  • Avoid aggressive driving: Aggressive acceleration, hard braking, and excessive towing can put unnecessary stress on the transmission. Try to drive smoothly and avoid unnecessary strain on the vehicle.

  • Warm up the vehicle: Allow your vehicle to warm up before driving off, particularly in cold weather. This allows the transmission fluid to reach its optimal operating temperature.

  • Proper towing practices: If you need to tow with your Buick Lacrosse, ensure that you follow the recommended towing capacity and use the appropriate towing equipment to minimize strain on the transmission.

Recall Information

It is crucial to stay informed about any recall history related to transmission issues in your 2017 Buick Lacrosse. Manufacturers often issue recalls to address safety concerns and problems with specific vehicle components, including the transmission. Some recalls may involve software updates, repairs, or even replacement of faulty parts.

Recall history related to transmission issues in the Buick Lacrosse

As of [current year], there have been no reported recalls specifically related to transmission issues in the 2017 Buick Lacrosse. However, it is always a good idea to check with the manufacturer or authorized dealers periodically for any updates or recalls that may affect your vehicle model.

Manufacturer’s actions to address the problems

If a recall is issued for your vehicle, the manufacturer will typically send out notifications to owners providing instructions on how to address the issue. It is important to respond promptly to these notifications and have the necessary repairs or updates performed to ensure the safety and reliability of your vehicle.

2017 Buick Lacrosse Transmission Problems

Customer Experiences

Real-world accounts from 2017 Buick Lacrosse owners facing transmission problems can provide valuable insights into the severity of the issues and the effectiveness of the manufacturer’s response. While experiences may vary, here are a few examples:

Real-world accounts of 2017 Buick Lacrosse owners facing transmission problems

  • John: “I started experiencing shifting delays and loss of power in my Lacrosse after about 50,000 miles. Fortunately, I caught it early, and the dealership replaced a faulty solenoid, which solved the issue.”

  • Sarah: “My transmission failed suddenly while driving on the highway. It was a stressful experience, and I ended up needing a complete transmission replacement. Thankfully, it was covered under warranty.”

  • Mike: “I noticed a burning smell coming from under the hood, and my Lacrosse was shifting roughly. It turned out to be a leaking transmission cooler line, and the repair was relatively straightforward and affordable.”

Impressions and opinions on the handling of the issues

Opinions on the handling of transmission issues by the manufacturer and dealership network can vary among owners. Some may have had positive experiences, prompt repairs, and good communication, while others may have encountered delays or difficulties resolving their transmission problems. It is essential to maintain open communication with the manufacturer and dealership, express your concerns, and seek resolution if necessary.


In conclusion, transmission problems can significantly impact the performance and reliability of the 2017 Buick Lacrosse. Understanding the common issues, symptoms, causes, and available repair options is crucial for maintaining the optimal performance of your vehicle. It is recommended to address any transmission problems promptly to prevent further damage and costly repairs. Following preventive measures and staying informed about recalls can help minimize the risk of encountering these issues. By being proactive and engaging with qualified mechanics or Buick service centers, you can ensure that your 2017 Buick Lacrosse continues to provide a comfortable and enjoyable driving experience in the years to come.

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