Do GMC Sierras have transmission problems?

The 2018 gmc sierra 6 speed transmission has had reported problems from consumers such as transmission cooler line leak, harsh shifting, and transmission stuck in one gear.

Has GM fixed the transmission problems?

General Motors has announced a new Customer Satisfaction Program for certain examples of the 2021 model year Chevy Silverado 1500 and GMC Sierra 1500 to replace the eight-speed automatic transmissions in the vehicles. … These repairs will be performed at no cost to the vehicle owner.

How long do GMC Sierra transmissions last?

But on average, we’ve seen the GMC Sierra 1500 transmission last for between 130,000-180,000 miles. A high quality replacement transmission however, can last considerably longer if all of the factory design flaws have been addressed and the vehicle has been maintained.

What is GM doing about transmission problems?

According to GM Authority, the problem here is that the 8-speed automatic transmission may have broken a carrier ring. As that publication states, a broken carrier ring could prevent the transmission from operating as intended. So, GM is going to replace those transmissions with a new one at no cost to the owner.

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Are GMC Sierras reliable?

The GMC Sierra 1500 Reliability Rating is 3.5 out of 5.0, which ranks it 3rd out of 17 for fullsize trucks. The average annual repair cost is $727 which means it has average ownership costs.

Why are Chevy transmissions bad?

The lawsuit maintains that the “Chevy Shake” defect can cause the premature failure of the transmission. What causes the jerking and shaking are issues with the torque converter, the transmission, or both. Inside the problem creates excessive friction across gears, hydraulic systems, and surfaces.

What year Chevy trucks have transmission problems?

The Chevrolet Silverado 1500 has had a period of several rocky years in its recent history. From 2012 to 2019, each Silverado year model was littered with issues. The 2012 and 2013 year models have a few dozen reported issues each, mainly pertaining to faulty engines and transmissions.

How much does it cost to replace a transmission on a GMC Sierra?

It depends on the vehicle you drive and the type of transmission it requires, but a transmission replacement ranges from $1,800 to $3,400. Keep in mind that this estimated transmission cost range does not include labor fees, taxes, and any other associated fees.

How many miles will a Chevy 5.3 last?

Here is the short answer to how long Chevrolet Silverados last: With regular maintenance and conscientious use, a good model year of the Chevrolet Silverado can last between 200,000 to 300,000 miles or more. That means you can easily get 10 to 20 years of reliable service from a Silverado truck with proper maintenance.

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Are 2014 GMC Sierras reliable?

The 2014 GMC Sierra 1500 has a reliability score of 3.5 out of five. That’s above average for the industry as a whole.

How reliable are GM transmissions?

In the month of January, 99.3 percent of the 1.8 million Chevrolet vehicles enrolled in OnStar Vehicle Diagnostics reported that there were no issues with the key components of their engine and transmission systems.

Does Chevy have transmission problems?

Such problems aren’t hard to spot. 2021 Chevrolet Silverado 1500 transmission problems can show up as shifting delays, grinding when accelerating, the car shaking at any speed, or whistling noises or a burning smell coming from beneath the hood.

How do you tell a GM transmission apart?

The easiest method of GM automatic transmission identification is to examine the transmission pan. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with.

Are GMC Sierras expensive to maintain?

According to RepairPal, GMC drivers pay an average annual repair cost of $744, which is relatively costly compared to the industry average of $652.

Average Annual GMC Maintenance Cost.

GMC Model Reliability Rating Average Annual GMC Maintenance Costs
GMC Acadia 3.0 out of 5.0 $734
GMC Sierra 1500 3.0 out of 5.0 $727

Are GMC Sierra denalis reliable?

Thankfully, it seems that engine reliability has improved slightly since the 2020 model. While the scores are far from ideal, the Sierra seems to be on the right path. Despite this, the Sierra 1500 remains one of the least reliable trucks tested by Consumer Reports.

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Which year of GMC Sierra is the best?

The best years for the GMC Sierra are the 2012 and the 2020 models. The 2012 has a strong history of reliability and performance, and the 2020 shows much of the same promise. The 2012’s technology might not be as abundant, but for its time, that technology was pretty advanced.