I agree, the bolster is too short. With that said, I have been on 6-8 hour trips with no fatigue. I find this kind of funny though, I ordered and received my '15 in summer of '14 and my only complaint was the tilt/telescoping column eliminated the true "tilt" of the wheel and I took some heat over it. Folks are still complaining about it 6 years later and praising the last generation, when the concept was identical. The tilt radius has been increased so much by moving the tilt joint closer to the firewall, that it's essentially an up-and-down adjustment. It was a problem seeing the instrument cluster in the last generation, as well, when the seat and wheel was in the most ergonomic position for me. Now a tilt/telescoping wheel and seat design from a 75 El Dorado would be an improvement on these trucks.
Beautiful truck! BTW factory LEDs are marginal at best. Maybe it's may eyes but my '06 with reflector beams was like a beacon compared to my '15 with projectors. The projectors on my '15 seem to have been better on high beam than the LEDs on my '20. Maybe I'm just getting old!
I fear all of these discussions will be moot points within the next decade. GM's mandate to be 100% EV in all cars, and light duty trucks by 2035 will probably create a lame duck 4-5 year period for gas and diesel while they develop electric motors for the HDs. With the torque curve of EVs, they will probably be going to CVTs, who knows. I love my Duramax trucks, and have for 18 years. Going to hate to see them killed off.
It seems like every time the big 3 redesign their HD pickups they up the payload and tow rating and the ride really suffers big time! My last decent riding HD was my 06 Duramax. I ordered my '15 with 20" wheels and I can tell you the ride from my 06' was significantly rougher! I ended up mounting some Cooper tires, 2 sizes up and running as low air pressure as the idiot light would allow and it helped a little. My '20 has the same size tires as the Coopers on my '15 from the factory with 20" wheels, and it rides about the same. Pretty teeth rattling, everything stock. In the old days, lifting a truck meant sacrificing ride quality. Now it means greatly improving it, I agree with gSwift, Fox shocks with external, adjustable reservoirs are the way to go. I have also avoided the off road package since GM went away from Bilsteins for good reason, Ranchos suck. I guess I didn't learn my lesson because this truck has the off road package and it came with Ranchos. I only have 15k miles on the truck and both rear shocks have ruptured (replaced under warranty). My dilemma is wait the warranty period out or just replace them with Fox' and have the product warranty. Another thing I noticed is that Goodyear tires seem to ride a little stiff with comparable air pressure. Maybe that's just me though, I like a good Cooper or BFG myself.
I have always owned Duramaxes (LB7, LBZ, LML, L5P) and they have been bullet proof, grant it they have been personal, not fleet trucks. The big thing for me is that GM perfected a diesel motor in 2001 and has stuck with it. The '21 marks the 21st model year and they are on the 6th revision of the 6.6L Duramax. The Allison transmission has evolved from a 5 speed, to a 6 speed, and now a 10 speed. Again, honing perfection. I have friends that are died in the wool Power Stroke and Cummins drivers and they both have the same gripe. When ford went away from the Navistar 7.3L the dependability and maintenance costs went through the roof. The RAM guys are the same, the 6.7L is nowhere near as dependable as the 5.9L. If something is dependable and long lasting why try to change that, just strive perfect it, as GM has? Look at the Chevy small block, it's living proof.
It sounds as though every dealer is "handling" this differently. Mine tried to say a TSB doesn't mean that it's covered, only that they are going to get bum-rushed with the issue. I called BS on that! The next excuse was the wear parts only carry a 12 month/12,000 mile warranty and if it's not a recall, the warranty language kicks in. I just decided to pull the "loyalty" card on them and mention the 3 GMC Sierras, and 2 Cadillacs that we have purchased there and that I will just take my business elsewhere from here on out. Long-story-short, the service manager "pulled some strings" with the factory and they covered it. I have new pads on all four corners, rotors where not glazed, and only time will tell.
They will start squeaking again, I did the same experiment with brake clean. They are considered wear parts and even with the TSB the dealer may try to get out of replacing them after 12k miles. They did with me any ways and I just pulled the "I'm not picking up my $80K pickup truck with crappy, noisy brakes on it, until something is done". Essentially I buy all of my vehicles from them and they felt compelled to talk with the factory and get it done. They put pads on all four corners. No squeak back yet. Mine got so bad that I avoided driving through busy parking lots because I would get looks from every pedestrian within 100 yards. Like what in the heck is wrong with that nice new truck?
Correct it's the opposite, passenger mirror arc is less as the angle to the body is less. My driver's side mirror always takes longer to fold/unfold. With that said if you use the fold in/fold out function from the key fob sometimes the driver side mirror does not fold all of the way out or in. I have addressed this at the dealer and they stated that the motor voltage and current read correctly it's just something that I have to live with unless I wanted to pay for it. I found that if you hold the lock/unlock buttons while doing this until the mirrors are about halfway through the cycle, the driver's side usually makes it. Seems chinsie on an $80k truck but, I guess I "have to live with it".
I understand what you are saying, but that is not the purpose of the rear view camera, you would have sever depth perception issues, it's designed to focus on a certain distance and field of view. It would totally defeat the purpose. I have both cameras, and while not perfect the bed view camera is dual purpose, use to view the contents of your bed and guide yourself to your 5th wheel. I was under the impression you had both, I misunderstood. With both, you can you can look between the infotainment screen and mirror as you are backing up. And also, I know for 2021 they moved the bed view display to the rearview camera mirror instead of the infotainment screen, not sure if you can move it back down. This would seem to be a less useful tool, as you can only have 1 or the other view at any given time. As gSwift mentioned you need the technology package, it is specifically designed for these exact issues.
One option addition for '21 was moving the bed view camera to the rearview mirror camera instead of the infotainment screen, this is what he is referring to. In my experience the bed view camera needs improvement when lining up a 5th wheel, it's zoomed out to far and angled wrong. I just do it the old fashioned way, open the rear sliding window and turn my head around to make the last foot or so. I know, it sucks to not be able to use the camera as a convenience but each to his own. I find the bed view useful to check the cargo in your bed or check the 5th wheel after it's hooked up, but lining up as you back isn't that great IMHO
Ever since new my '20 Sierra HD's brakes make a loud "moaning"/dragging noise if they have the slightest amount of dust on them. Especially if I have been down dirt road. It doesn't take much either, just road dust alone will cause them to make noise until it's wiped clean. It only occurs at very low speeds when coming to a stop or creeping through a parking lot. That, to me, is when it is the most annoying, everyone and their dog hears it and looks at the truck as if why would such a nice new rig make such an odd noise? Is it a new material on the pad? Dealer has inspected and says everything looks fine.
I had to restart the calibration about 5 times before it started and then drive about 4 miles before the status bar finished. The instructions say "just begin to move forward". Not even close for me, I tried the open road, and neighborhoods seemed to work the best to get it started and finished.
It worked, I just used a "conventional trailer" profile and plugged in my dimensions as I would have a tongue pull. My display looks just like yours above, instead of seeing a tongue and propane tanks I see my front stowage compartment. Pulled it around the neighborhood for about 3 or 4 miles and it calibrated just fine. Also my 5th wheel is 33-1/2 feet from rooter to tooter. I had enough cable to mount the camera, run the it under the skirting, up through the gooseneck, and out of the pin box opening. It left me 7', just enough to plug it in and have slack to back it up while in a 110 degree turn.
The only way that makes sense is if they came with a Bluetooth 12 volt wireless charger adapter or something to that nature. 90% of people would not be able to charge their phones in vehicles. Our 2019 Acadia doesn't even have wireless charging. The only change that Apple has published regarding charging is that there is a possibility that a lightning charger and cord will not be included with the iphone 12, it will be an extra cost option, to keep phone costs below $700.
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