Vehicle shakes/vibrates above 35 mph. when vehicle accelerates above 35 mph the the steering will vibrate with a feeling that the suspension is shimmying/shuddering rapidly. this is especially bad on an incline from a stopped position. as the vehicle accelerates up the incline, when approximately 35 mph is attained, the entire vehicle will steadily shudder/vibrate. traveling at highway speeds the vehicle will randomly vibrate in the front end and in the steering wheel. this occurs with brand new tires that have been balanced and re-balanced to confirm it is not tire related.
2016 gmc yukon denali xl 40k mint condition bounces vigorously at slow speeds and even more so at highway speeds. it is to a point the ride is unbearable and potentially down right dangerous. i have read countless complaints of this same issue and i as well as many others are wondering why is there has not been a recall issued on the shock and struts on these vehicles .(2015-2016)
I have had issues with the transmission and power of the car for over two years. i have contacted gmc and have followed everything that gmc have requested for me to do with a vehicle. i have taken the car to four different dealerships, have had everything done with it from flushing it three to four times and have had torque converter replaced the control valve body replace. recall for the brake pedal was also done. after everything the car is in worst condition at the moment.
Tl* the contact owns a 2016 gmc yukon xl. while driving at various speeds, the vehicle violently vibrated without warning. the vehicle was taken to a dealer where the technician replaced the wheels, but the failure recurred. the vehicle was taken back to the dealer. the contact was informed that the vehicle was operating as designed. the manufacturer was notified of the failure. the failure mileage was 2,000.
Excessive vibration/buffeting drone issues (at all speeds of the vehicle) have caused severe health issues and safety hazards from driving the vehicle. within the first 8,000 miles of owning the car, the car has now been in service for 40 days as gm tries and remedy the problem, but there does not appear to be a fix. so far, diagnostic tests indicated that there was a faulty bearing in the rear differential that led to significant abnormal wear throughout the differential and the differential needed to be rebuilt. when rebuilding, they discovered that the disassembled differential had heavily scored bearings and metal shaving throughout every bearing. ring gear and pinion had irregular wear causing a drone in the vehicle. race surfaces wear ground and scarred bad.the rebuilt differential did not fix the issue and now after having four new tires and road balancing, the problems didn't diminish but were exacerbated. after rebuilding the differential again, gm has now determined that the rear axle may need to be replaced and engineers are looking into the problem further. the steering wheel shakes and the car has a terrible vibration that worsens every time gm attempts to service the vehicle. this seems to be a well-documented problem that gm has avoided fixing. we advise other consumers to be aware of the serious safety problems related to the poor manufacturing of the vehicle and inability of gm to remedy the problem.
I leased a 2016 yukon denali xl on 9/15/15. it has two major problems. 1. buffeting/pressure noise - a noise as if a window is cracked, except it's not cracked. this occurs at speeds from 24mph and up and causes ears to pop and is noticeable to virtually every passenger i have had. 2. whole-truck vibration - occurs between 70-80mph in entire vehicle. wheel replacements, tire replacements, road-force balancing, driveshaft replacement, driveshaft "balancing", etc....nothing has fixed it. i have driven 13 2016 yukon, yukon xl, tahoe and suburbans. every single one has the buffeting issues. all but one has the vibration issues. gm has issued a pi stating that the roof bows may have come disconnected and they need to be reattached. the issue here is that reattaching them doesn't fix the buffeting issue. i have a date-stamped log of every dealer visit, conversation, email, etc. and am glad to share it. these issues are ridiculous to occur in any car much less a 75k flagship car that pulls in 3-7k in profit for gm/dealers per vehicle.