RivieraGS started following Uprade to 2019+ From 2018?, Lurking and acceleration then felt like someone hit my back end, Free Brake pads on GM and and 5 others
Here is a link to a website describing the problem, vehicles and states involved in the class action lawsuit thus far. There is also a website mentioned to check out. Hope this helps and good luck. https://www.classaction.org/gm-8-speed-transmission-defect-lawsuits
TSB's and Recall's are not the same. Recall's are mandated by NHTSA because of safety concerns or issues. TSB's are just Technical Service Bulletins and lately it seems that most of the TSB's are downloads. I bought my truck from one dealer but have any work done at a dealer much closer. The first dealer called me to tell me that there were some Recall's on my truck and I checked the NHTSA website and there were no recalls. It was time for an oil change so I took it to the second dealer who checked and said there were no Recalls but there were some downloads to be done including the one for the parking brake. Sometimes I think the dealers use the term Recall to make sure they get you back in so they can collect the $$ from the manufacturer.
Another option is to check eBay. There are a number of 2019/2020 Silverado bumpers on their right now but have small dents and scratches. But, be careful because a number of sellers are claiming their bumper fits 2015 thru 2019. We all know that is not right!
How about a console vault with a combination lock.? Cheapest price is on https://www.shopchevyparts.com/cargo-management/2019-silverado-1500-front-center-console-lockable-storage-box-black/84081567-p-92300787.html Maybe put your fob in there and hide the key under the truck somewhere.
The trans flush and service the dealer performed resolved the shudder. The shudder started during a trip to North Carolina so I put the trans in manual mode and dropped it to 7th gear and all was well. I made an appointment with the dealer and the tech connected a magnetic mount pizeo (spelling) probe to the drivers seat frame and the cable going to a lap top. They were able to verify the vibration and performed the service. It still would make a loud clunk when up shifting to 2nd gear while coasting thru a parking lot.
I guess I am one of the lucky ones but I purchased my Denali November 1st of 2018. Build date of September 6th. With the exception of the front camera not being sealed properly (and it was replaced in a little over 30 minutes) there have been zero issues with this truck. The 6.2 and 10 speed automatic are fantastic.
I too had a 17 Denali and the ride is a lot better with the 19 Denali. My 17 also developed the shudder and I made an appointment with my dealer to check it out. It took 2.5 hours to flush the trans, change filter and reprogram. It still would clunk really loud on the 1st to 2nd shift rolling through a parking lot.
I had a 2017 Sierra Denali and traded for a 2019 Sierra Denali. 17 had the 6.2 and 8 speed automatic while the 19 Denali has the 6.2 and 10 speed automatic which is MUCH better. Ride quality and braking are improved and some have said the 19's turn sharper. If you subscribe to xm radio, it is greatly improved over the 17 with no drop outs and a lot more stations to choose from. Went from 159 possible stations to over 400 or something like that. I don't know how the 17's and 18's compare in the xm area. Some have said on here that the responsiveness of the 5.3 engine in the 19's is better than the previous years. The chassis on the K2 trucks was a carryover from the previous generation while the 19's have a completely redesigned chassis with 3 inches longer wheelbase. The 8 speed automatic is being dropped for 2020 in favor of the 10 speed. Last point, I laugh about getting my ego fluffed because I get stopped a lot in parking lots wanting to know about the mutlipro tailgate and how I like the truck. Does it sound like I really like my 19? Oh yea, it was definitely worth the upgrade.
You said that you had switched it on and off. Were you referring to the interior light switch in the overhead console? If not check the on/off switch in the overhead console just above the On Star Buttons.
In 1970 my dad worked for the railroad and came home from work and said lets go look at a minor railroad accident. Two railroad cars loaded with brand new Plymouth Fury's had broke loose and rolled down through the rail yard and crashed into a string of rail cars that were stopped. There were 5 Fury's per level and 3 levels per rail car. The rail car that took the brunt of the impact had 6 Fury's on it because one Fury broke loose from the second rail car and jumped across. All the rest of the Fury's (24) were undamaged. However they were all declared a total loss. The railroad untied all of the Fury's and connected a chain to them with the other end connected to a locomotive. Yup, even from the top level they were dragged off and some were really ugly after they landed. One Fury had its rear end standing straight up perpendicular to the ground. I might still have the pictures somewhere but it was really sad to see brand new cars destroyed.
There is a lot of discussion regarding the 2019 T1 Interiors. I think the best summation came from a YouTube video by TFL out of Canada. The guy was saying how great the Ram was, how much better the interior was than the Sierra all while driving the Ram. Then he drove the Sierra and again saying how great the Ram was until he logged a few miles on the Sierra and stuck his foot in it. He changed his tune quite a bit. Both trucks were top of the line and he was really pleased with the performance of the 6.2 and the 10 speed. His statement that Ram spent their money on the interior and GM spent their money on the drive train was of importance to me. He did say that Ram interior was more in line with a luxury truck Remember the T1's have a whole new chassis and suspension compared to the K2's. And the 6.2 with the 10 speed is a huge improvement over the K2. I had a 2017 Sierra with the 6.2 and now have a 2019 Sierra with the 6.2. This truck will run circles around the 2017 and it rides a lot better too.
I have not driven the High Country but regarding the multi-pro tailgate, It came with my Denali and I was OK with it. But after a few times of loading something into the bed I really came to like it. With the bed sides being higher and the inside of the bed being wider the tie down hooks are a bit more difficult to reach then the previous generation. Drop the top portion of the tailgate and it is a lot easier to anchor a gas can or something. Loading something heavy into the bed is a lot easier too. The load stop should have a detent to keep it upright but is a really nice feature when you need to haul a couple of 8 foot 2 X 4's in the short bed. The 6.2 with the 10 speed transmission is truly amazing and worth the extra in my opinion. The long and short of it, drive both of them and decide which you like.
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