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Bayvalley

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About Bayvalley

  • Rank
    Enthusiast

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  • Drives
    2015 1500 GMC Sierra
  1. On our way from Ohio to Hilton Head SC the transmission stopped changing gears in my 2015 GMC Sierra (85,000 miles) while driving through the Appalachian Mountains at night. We were able to make it to a town with a GM dealer in SC before the truck stopped and would not engage into any gear. We checked into a Marriott Residence Inn, but by that time of night the rental car agency and GMC dealers were closed. The next day, Sunday, we contacted the only car rental opened that day (Enterprise) and rented the only pickup truck they had available, a Ford F 150. We needed a truck due to the amount of luggage and kayaks that we were carrying. We spent two nights in a hotel waiting for the GMC dealer to open on Monday then had the GMC Sierra towed to the GMC serive center. There the repair was performed under warranty. We timed our return from Hilton Head to pick up the repaired truck on Friday . The truck required a new torque converter and transmission repairs due to metal fragments from a torque converter failure. We were informed by the Master tech at the GMC Service Center that the torque converter failure is a know issue in my model truck due to a defective product from the vendor and that the same vendor is still the only source for that torque converter meaning there is a likelihood for recurrence. At the beginning of April I contacted GM to request reimbursement for the $529.52 rental truck expense and after review my request was denied because I “didn’t rent a GM product” . Note again that on a Sunday the only pickup truck available from Enterprise was a Ford F 150. I have now turned this over to the Ohio Attorney General. Additionally, I have recieved notice from a law firm that are collecting the information from affected 2015-2019 Sierra/Silverado owners to file a private (not class action) suit. GM has issued a recommendation to increase the frequency of transmission fluid flushes to remove metal fragments that are accumlating from the deterioration of the torque converter . This is GM's solution to extend the life of the transmisions. Obviously if the life of the transmissions can be extended to over 100,000 miles they will be out of warranty before failure.
  2. A Class Action suit has been filed for 2015-2017 Sierra/Silverado A/C failures. My A/C condensor failed at 80,000 miles due to a broken seal leading to a $850 repair. I contacted GM and was denied reimbursement because "it was not repaired at a GM service center". I turned it over to the Ohio Attorney General's office and was denied by GM because "it is out of warranty". A GM service tech informed me that the failures are due to a faulty manufactured A/C condensor. The same tech also told me that GM will not recall the part since it is "not a safety issue" although they are well aware of the failures. I've been a GM customer for almost 50 years but unfortunately they are not the company they once were. My last GM has been purchased.
  3. While traveling from Ohio to South Carolina my 2015 Sierra 1500 transmission failed at 85,000 miles due to a torque converter failure.
  4. A/C Condenser

    Not true. I contacted GM and was denied reimbursement because "it was not repaired at a GM service center". I turned it over to the Ohio Attorney General's office and was denied by GM because "it is out of warranty". It is a known problem due to a faulty manufactured A/C condensor. A GM service tech told me GM will not recall the part since it is "not a safety issue" although they are well aware of the failures. There is currently a class action suit regarding this matter.
  5. I've heard from two sources that a design flaw is causing the A/C condensers to leak. A GMC master tech indicated that this will not be a recall since it is not a safety issue and it is not covered under warranty. GMC is aware of the issue and sometimes in these situations they will issue a Customer Appreciation award to compensate for the cost of the repair. I had mine replaced at an independent shop so I may not receive an alert if an award is released. Does anyone know how to look out for these Customer Appreciation awards?
  6. My torque converter failed on my 2015 GMC 1500 Sierra 5.3 L (85,000 miles) while on a family vacation 12 hour drive. We stayed two nights in a hotel ($260) and rented a truck ($580) to finish the trip while the dealer repaired the tranny. Five days later we returned to the city where we had broken down to pick up the truck. Fortunately it was still under warranty. Apparently once the torque converter failed parts were damaged causing debris in the fluid so additional parts needed replacement. The tech explained that the 2014 -2017 6 to 8 speed transmissions have these problems due to poor vendor quality on their torque convertors. He explained that since there is no other options he replaced the parts that were manufactured by the same vendor indicating it is possible for the failure to recur after it is out of warranty. In 2018 GMC changed vendors for the the 6-8 speed torque convertors. On a side note, I had the truck in my dealer here in Ohio two weeks prior for an oil change and inspection. One of the recommendation was that the transmission flush would be coming due soon.
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