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About carpendj

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  1. https://static.nhtsa.gov/odi/tsbs/2020/MC-10173397-9999.pdf
  2. Most certainly a lifter issue. I just had my truck fixed today. 2019 GMC AT4 6.2 with 10-speed (DFM). 7500 miles. Only 6 months old. Do not listen to any dealer telling you that this is normal for these new engines. There is a TSB for this. Very disappointing after trading in a fault free 5 yr old RAM 1500 for this great truck.
  3. https://static.nhtsa.gov/odi/tsbs/2020/MC-10173397-9999.pdf
  4. Finally picked up my truck from the dealer today. They told me that one of the Lifter springs had failed and per a GMC recommendation, they replace all the lifters on that side of the engine. Be warned and keep a watchful eye on similar newer engines with the DFM. Was not expecting this problem to occur on the newer trucks. Very disappointing. My truck has 7500 miles but for sure it was happening some months ago. I just decided, with all this COVID-19 stuff, to hang on until my first oil change and get it looked at then. I am gentle with my vehicles and take great care of them.
  5. Ugh. Wish I'd seen this thread before I purchased a brand new 2019 GMC AT4 with the 6.2 and 10-speed just 6 months ago. Heard a ticking noise some time ago but with COVID-19 impacting many businesses, I figured I would wait until the first service. My 7500 mile truck has been sitting at the dealer for almost a week. They told me today it has a failed lifter spring. WTF. This truck is brand new. I will know more when I get it back and check out the work they did. 5 years with a RAM and never had one single issue. I love this AT4 but will have to make sure I get rid of this before the powertrain warranty expires. Sucks.
  6. I should add that my local dealer told me that while they have not seen similar problems with 6.2 10-speed DFM models, its been raised by other dealerships. This suggests that others are indeed impacted.
  7. Great question. It was simply time to replace my truck and I wanted something different. My initial focus was on a Chevrolet Trail Boss and due to having a relationship with a local Chevy dealer, I managed to get an extended weekend with a 5.3 Trail Boss that had the 8-speed. While I loved the look of the truck and I so badly wanted to love it, it did not excite me at all. My HEMI 5.7 with the 8-speed drove much better than the 5.3 with the 8-speed. My local RAM dealer told me to try a Rebel and so I did and managed to get that for a long weekend. It does not look as good as the Trail Boss but driving it was a big improvement on the Trail Boss and my own 2015 RAM. The Rebel felt like a much classier vehicle than the Trail Boss, but for me, it was another RAM and I wanted to try something different. I held off and waited for the Chevy 5.3 Trail Boss with the 10-speed and once again, felt disappointed in the way it drove. At that time the 6.2 Trail Boss was talked about but not yet available. The AT4 seemed overpriced and much more than I wanted to spend. Despite this I gave it a try and loved it. For sure it is not perfect. The front seats are way to firm and uncomfortable and it does not corner like the RAM. But that 6.2 and 10-speed are just awesome. I was happy getting 17-18 mpg on average in my RAM but in this AT4 I am easily getting 19-22 mpg. I hated the cylinder deactivation in the RAM and would turn it off but I've not felt the need to get upset with the DFM in the AT4 (until now). I love the little things like the heads up display, the 360 cameras and that tailgate. Getting $10,500 off MSRP made it affordable. I never considered the F150 as I could't live with some Ecoboost V6 and the interiors of the Jap trucks looked awful. I've been bragging about this AT4 but are now a little down about it and its the first time I have ever had a new vehicle in all my years of driving that needs such major repair work in the first few months of ownership.
  8. I do not understand the question about ship from Dodge? Do you mean why did I select a GMC vs a new RAM?
  9. 6 month old AT4 with the 6.2 and 10-speed (DFM) 7500 miles Took it in for its first oil service and to address a couple of other items that I have been waiting on getting resolved due to COVID-19. Told the dealer that I was hearing a sound from the outside that had me thinking something was wrong. Sound reminded me of having cheap lower octane gas in a vehicle or trying to drive up an incline in a manual using say 5th when you should be in 3rd. Truck drove fine and I've been seeing 19-22 mpg consistently. GMC dealer checked it out and said it sounds like one of my lifters has failed. They now have to strip the engine to determine how bad this is. I had 2015 RAM for almost 5 years. Despite grief from Chevy/Ford owners telling it was going to be a nightmare it ran flawlessly. Never let me down once. My first GMC and its now sitting waiting on the engine to be stripped so that they can determine what needs to be replaced. Very disappointed because I love this truck. This problem had me googling around and finding similar issues on older GMCs but none for the newer 2019+ with DFM. I wonder how many others of you are impacted? I only discovered this because I've been driving for 31 years and heard a sound that told me that something was not right. I think the DFM masks the issue because you get used to it shutting down cyls and just accept that this is the way it is. No mis-fire sounds at all. Just sharing this with others. Get your 2019+ checked out before it hits you outside the warranty. I am waiting on Range Technology to make their DFM disable tool available for trucks with the 10-speed.
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