Chevrolet car dealership, a part of General Motors.

Oil Consumption, Knocking, and Ticking in GM Engines

By: Michael H. Rosenstein, Esq.

General Motors is a multinational corporation and has been America’s largest automobile manufacturer for years. It was founded in 1908 and has now grown to be one of the world’s largest multinational corporation that is specialized in manufacturing, marketing and distributing vehicles and vehicle parts. Over the years, General Motors has built a core connection with several high-end automobile brands such as Cadillac, Buick, GMC and Chevrolet.  In spite of GM’s vast popularity over the last 100 years, it has managed to attract some unfortunate defects and widespread issues with oil consumption in GM engines. GM customers have complained for years of widespread, frustrating, and dangerous oil consumption issues.

If your GM vehicle has suffered any serious issues regarding oil consumption, CCA is here to help. We invite you to call our experts today for a free consultation: (833) LEMON-FIRM.

What Are the Common Safety Defects in GM Engines?

Vehicles with GM engines have been facing numerous lawsuits for the past couple of years involving excessive oil consumption. The engine issues have been brought up multiple times by owners of vehicles across different brands. Most of the complaints mention engine damage, ring wear, knocking engines, sudden stops and more.

One of the most common issues amongst vehicles with GM engines is a troubling “knocking sound” and “ticking noise”. Several models have received similar complaints and customers say, this is a persisting problem that does not seem to have an easy solution. In fact, oftentimes when presented to the dealership, the GM dealership advises customers that there’s nothing that they can do.  A user of Chevrolet Tahoe described the issue as, “I just bought my Chevy Tahoe and when I start it, it makes a knocking noise. This noise is very annoying and It seems like if it’s coming from the engine.  The noise comes and goes at frequent intervals.”

Several users have discussed the excessive cost of having a vehicle with high oil consumption. Apart from the cost of frequent oil refills, it incurs other expenses such as the costs of repairing damaged engines, pistons and rings. A user of Chevrolet Suburban stated, “Chevy Suburbans are too expensive to have these kinds of problems. I took the Suburban to the dealer and they told me the pistons and rings needed to be replaced to the tune of $4,000. They admitted to oil burning in the combustion chamber and a buildup of carbon had occurred. This vehicle is a perfect fit for our large family. However, given that GM gave me their dishonest run-around and then only paid for half of the repair, I will be selling the vehicle after it gets fixed and will NEVER buy another Suburban again.”

Here is a partial list of the recent models that are known to have oil consumption issues:

  • Chevrolet Avalanche
  • Chevrolet Silverado
  • Chevrolet Suburban
  • Chevrolet Tahoe
  • GMC Sierra
  • GMC Yukon
  • GMC Yukon XL

What Actions Have Been Taken to Address the Oil Consumption Issues, Ticking Noises, Knocking Noises, and Other Problems in GM Engines?

Multiple lawsuits have been filed against GM engines over the past 10 years. A recent class-action suit claims that engines fitted in GMC and Chevrolet vehicles are equipped with faulty engines that fail prematurely. The lawsuit alleges, the engines cause excessive oil consumption and spark plug degradation.

Another recent lawsuit filed in 2020, alleges the IV LC9 engines are equipped with defective piston rings that are incapable of maintaining enough tension to keep oil in the crankcase. As per the lawsuit, the engine consumes excessive amounts of oil which can cause severe engine damage.

What Can I Do if My GM Vehicle Has Oil Consumption Issues?

If you are facing any engine trouble with your GM vehicle such as excessive oil consumption, engine damage, knocking noises, ticking noises, damaged piston rings, sudden stops or other engine-related issues, California’s lemon laws are here to protect you from any further complications. Over the past few years, our lawyers have developed strong expertise in litigating cases surrounding complicated engine issues.

If you are facing any performance issues with your vehicle, do not hesitate to contact our experts for a free consultation at: (833) LEMON-FIRM.

Chevrolet dealership, trucks that may have transmission issues.

Transmission Defects in GMC Canyon and Chevrolet Colorado

By: Karina Dutra

Buying a new car is a big decision. You’ve finally found the vehicle that checks all the boxes and you’re ready to upgrade to a new ride. No one buys a new car expecting to deal with transmission defects only months after driving it off the lot, but owners of 2015-2017 GMC Canyon or Chevrolet Colorado have found this to be exactly the case. If you are experiencing manufacturer defects on your GM vehicle, we encourage you to contact the lemon law experts at CCA today for a free consultation: (833) LEMON-LAW.

GM’s Severe Transmission Defects

Owners of 2015-2017 GMC Canyons and Chevrolet Colorados have complained that they have experienced transmission issues when downshifting or accelerating. The most commonly reported issue is “shuddering” when the truck accelerates and sudden “jerking” when downshifting gears when driving up an incline. Despite many complaints about these serious issues, there are currently no ongoing investigations regarding transmission defects for these vehicles within GM.

Recent Class Action Suit

In a 2019 class action lawsuit, McKee v. General Motors, LLC, James McKee filed a complaint that GM “designed, manufactured, marketed, distributed, sold and warranted” models of 2015-2017 GMC Canyon and Chevrolet Colorado that were “equipped with defective 6L50 transmissions.” The defective transmissions allegedly caused the vehicles to “slip, buck, kick, jerk, and harshly engage” causing “premature internal wear… and eventually suffer a catastrophic failure.” 

Consumer complaints regarding the GL50 transmission are serious and widespread.  For example, one 2015 GMC Canyon owner complained, “Transmission and engine are not synchronized through shifting and acceleration. Engine is overloaded and shudders at low speeds when transmission does not downshift. Acceleration is very poor unless aggressive accelerator is used. Often, engine revs to 4500 to 5000 RPM but there is no acceleration until transmission catches up – dangerous situations occur.” Similarly, a 2015 Chevy Colorado owner complained, “I spent a ton of money for this truck. Seems as it does not know what gear to be in… It is by far the worst driving car / truck I have even owned.”  

If you have purchased or leased a new or used automobile that has manufacturer defects, California lemon law allows you to pursue a claim for a replacement vehicle or full refund. The attorneys at CCA are highly skilled and experienced at fighting manufacturers to ensure that your rights are being protected. If you are the owner of a vehicle and you are experiencing transmission issues that are putting your safety at risk, we invite you to contact us for a free consultation with an expert lemon law attorney at: (833) LEMON-LAW.

A Chevy car dealership.

Chevy Shake, Shake, SHAKE!

By Matthew Jordan

California has close to 400,000 miles of road, built for smooth cruising.  Indeed, Californians love their cars and love taking them on long, pleasurable, and smooth drives along our famous highways and byways.  However, unfortunately, some of General Motors’ (GM) recent releases have not been living up to consumers’ expectations for smooth driving.  Instead, many California car owners’ vehicles are plagued by the infamous “Chevy Shake.”  

The “Chevy Shake”

The “Chevy shake” is a disturbing vehicle defect, which results in extreme vibrations in the vehicle’s steering system, suspension, and vehicle as a whole at high speeds (65-80 mph).  Drivers describe the condition as a terrifying and uncontrollable vibration throughout the vehicle. As one 2014 GMC Sierra owner described, “I have the vibration also between 65-75mph. The passenger seat shakes like hell, the steering wheel has bad wobble.”  Similarly, the owner of a GMC Crew Cab 4×4 described the condition as, “a vibration at all speeds in the steering wheel, once reaching 70mph a seat vibration started to become really noticeable and extremely noticeable as speed increase past 70. In conjunction an audible noise inside the cab developed at 75 that sounding like a metal on metal vibration at a high frequency and the cab was much louder. Became really noticeable at 80 and beyond.”

Disturbingly, GM dealerships are unable to fix the customers’ issues.  Customers return multiple times for multiple repairs but are unable to obtain a resolution of their vehicles’ issues. For instance, one owner described, “My 2016 Z71 Crew Cab has shook from day one. Now has 9K on it. Third trip to dealer and I took service manager for a ride. He seen and felt it and stated my entire passenger side door was shaking also. Speed of 70 mph up.”  Unfortunately, many customers are told there is nothing wrong with their trucks, that they have to purchase new tires, or that GM simply doesn’t have a fix.  

A recent class-action lawsuit alleges that GM’s aluminum driveshafts are unable to withstand the pressure of highway speeds, and can deteriorate over time and eventually fail completely. These weak driveshafts create severe vibrations within the vehicle that cause drivers to lose control of their vehicles. Driveshafts are meant to carry torque from one or more components of a car to another component. For example, the back wheels of a car would not be able to rotate without a driveshaft carrying the torque that the car’s engine creates to the back of that car. The driveshaft, as one of the pivotal mechanical devices that makes a car run, is meant to be able to not just endure constant stress, but continue to perform at its highest capacity under this stress. The failure of a car’s driveshaft represents a fundamental failure for the car.

GM has allegedly been made aware of this dangerous issue with their driveshafts and continues to sell and lease the affected vehicles while suppressing information about the vibrations. To make matters worse, GM has allegedly been replacing broken aluminum driveshafts on their vehicles with the same defective driveshafts. One consumer even attempted to get repairs on three different occasions before a GM dealership told him that the vibration was “within the normal limits of road vibration.” The consumers that have replaced the aluminum driveshaft with a steel driveshaft experienced no more vibrations.

What Consumers Think

Some GMC drivers have spoken on the issue of vibration at high speeds. One said, “I was talked into buying their ridiculous extended warranty and yet they do nothing to fix the problem. This truck is a lemon,” while another said, “Nothing has been fixed. They can’t find what’s causing the issue. So now they have decided that there is nothing wrong with it. The GMC Sierra is supposed to vibrate.”

How We Can Help

If you currently drive one of the following cars, we encourage you to contact California Consumer Attorneys for a free consultation with an expert lemon law attorney:

  • 2015-2020 Cadillac Escalade
  • 2014-2019 Chevrolet Silverado
  • 2015-2020 Chevrolet Suburban
  • 2015-2020 Chevrolet Tahoe
  • 2014-2019 GMC Sierra
  • 2015-2020 GMC Yukon/Yukon XL

When you purchase a car in good faith, you deserve to receive a product that works both safely and efficiently. Our expect lemon law lawyers will make sure that you are well taken care of and fully compensated by GM.  Call us today for a free consultation: (833) LEMON-FIRM.