194.4 479.7921 l ? Due to it only happening sparticly it is hard to diagnose. It's worst when pulling a trailer. 248.5984 372.4157 m -249 (whirring) 174.3307 287.9433 l 45.3543 586.7716 m -348 (vehicle.) Since I've owned the truck I've replaced tires around the entire truck, all mounted and balanced with full alignment at a shop, all brake hardware(pads, rotors, drums, springs, wheel cylinders, rear shoes, brake fluid, ect. 248.5984 265.6062 l 174.3307 273.2598 l 561.2598 686.1543 l 173.7637 302.6834 l Good evening. _ ? ? -250 (2HI. ? B*    O _ _ / ? _? 1 RX 350 3 Ranger 5 Renegade 10 Ridgeline 3 Rogue 60 Rogue Sport 17 SANTA FE 3 SONA 1 SONATA 2 Santa Fe Sport 1 Sentra 68 Sienna 3 Sierra 1500 44 Sierra 1500 Limited 3 Sierra 2500HD 8 Sierra 3500HD 2 Silverado 1500 66 Silverado 1500 LTD 4 Silverado 2500HD 8 Silverado . As a '94 your truck is OBD 1. A professional mechanic can swiftly diagnose the vibration problem for you. 249.1653 266.1732 l Looseness in suspension or steering system components can cause vibrations in your Sierra 1500. 1 0 obj [(Y) -5119 (2015) 45.3543 205.3417 l O ? 248.5984 527.244 l -244 (listen) 302.7401 343.0488 l ? O? 99.5527 372.4157 m /   _ / / O  O / _ / _ O ? ? / O _ _ o ? -246 (parking) B* 1 g Home Troubleshooting GMC Sierra 1500 shakes at highway speeds causes and how to fix it. Thanks for the great link I will be sure to use it. 561.2598 686.1543 l 248.5984 512.5039 m -248 (Added) 561.2598 556.611 l 173.7637 287.9433 l 85.8897 458.4188 l _ o  O ? I also found this on a truck site "A possible cause for the shudder is a bad torque converter clutch (TCC) solenoid or a bad torque converter clutch pulse width modulated solenoid (PWM). / ? -16372 (0.3) -255 (of) 561.2598 213.5622 l 168.0944 458.4188 m 356.9385 556.611 l 302.7401 527.244 l It was 35-65 mph and 1300-2k rpms under a load. 2023 GMC Sierra 1500 AT4 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 18" x 8.5" Machined Aluminum Wheels, 2 Charge/Data USB Ports Inside Center Console, 2 . 302.7401 319.011 l 45.3543 273.8267 l [(Parts) B* 216.3401 57.3732 l O _ _  _  ? -4445 (to) As a consequence, it wears itself down more and it wears out unevenly. O _? 561.2598 227.7354 m 0.0099 Tc  ? _ / O ? -250 (the) Unbalanced wheels. / _ ? -249 (be) 476.1637 556.611 l 1 g ? 248.5984 343.0488 l 249.1653 455.7543 l 7,119 miles. -484 (benefit) 194.4 416.5228 m 0 G 411.6472 556.611 l  _ O _ / _                ? o o ? -0.7479 -1.2925 TD _ _ _  /  O _ ? 229.7763 458.4188 l  O _ ? ? ??   ?  ? 431.7165 273.2598 l 561.2598 586.2047 l ? B* << vibration at 75 mph I am having a weird vibration which feels like it is coming from the rear end at HWY speeds. / o  ? Oo ? 561.2598 287.9433 l 561.2598 84.4724 l 98.9858 556.611 l 0.5562 -1.6943 TD 249.1653 372.4157 l  _ _ O  ?  ? 98.9858 372.4157 l B* When looking for the reason, you should always start with the most obvious cause, unbalanced or misaligned wheels. ?? B* 302.7401 357.7322 l 45.3543 213.5622 m [(2.) 248.5984 319.5779 l /Height 221 -346 (and) /F0 1 Tf Driving your GMC Sierra 1500 at highway or freeway speeds with cabin vibration or wobbling steering wheel is not only irritating, it can also be dangerous. B* [(Applicable) -251 (2020) 249.1653 455.1874 m -245 (noted)]TJ -243 (Model)]TJ -245 (1500)]TJ  / _ / O ? 249.1653 357.7322 m . 1. /F1 1 Tf -5199 (2014) -3857 (2021)]TJ 248.5984 387.0992 l _  _ ? The Fora platform includes forum software by XenForo. 173.7637 287.9433 l 303.307 372.4157 l B* 560.6929 557.1779 l ? 249.1653 527.244 l 249.1653 280.3464 l B* _? 45.3543 640.6866 l ? Would be a coincidence but want to make sure its not something else. 45.3543 85.0393 l ? -246 (in) endobj ? 431.7165 302.6834 l B* _O o/ ? ?/ / _ _o / oo _ ?o o _ / o/ ? o _ _o _ o / oo information here is for reference only. 302.7401 416.5228 l /Length 211 Do note that driving habits can heavily influence how often you need to get your Sierra 1500 wheels aligned. 249.1653 440.5039 m 561.2598 556.611 m 561.2598 636.4346 l 561.2598 746.9291 m 194.9669 541.9275 l ? ? 561.2598 251.4897 l ? -247 (also) << -244 (From) B*  o  ? /ProcSet [/PDF /Text /ImageC] -242 (howling,) /F0 1 Tf 561.2598 176.8818 l  ? 0.959 0 TD ? 45.3543 205.9086 l B* 15 0 obj B* -472 (have) 561.2598 746.9291 l [(\(in) There's nothing particularly difficult with doing the job, I did it when I installed 4wd in my truck. [(Add) /Length 256542 I was wondering what the outcome was to your problem. -9.9104 -2.1803 TD 561.2598 190.6582 l O o _ _   _ ? 1 j ?? << O o/ _ ? -249 (for) -9.482 -5.1406 TD -246 (AUTO) 45.9212 288.5102 l 302.7401 304.8944 l )]TJ 561.2598 556.611 m o   ? oo ?? -250 (and) 357.5055 556.611 l B* _ O O  o? Yes it is an automatic. ? O o O o / ? 86.4566 482.6267 l 248.5984 266.1732 l B* GM stated. / ?  /? 45.9212 302.6834 l ? ? ? ? /  _ O _ / _  O _ O O  ? 45.3543 748.9133 l ? 248.5984 556.611 l 99.5527 542.4944 l 411.0803 586.2047 l Another cause of vibrations in your GMC Sierra 1500 is obvious and simple to diagnose, the wheel lug nuts may have come loose or were not properly tightened when changing tires. -348 (tools,) ? The converter is actually a possibility. O? -488 (information) ????????????????????????? ? 249.1653 304.3275 l 302.7401 343.0488 l I've also noticed that at lower speeds (up to 45ish) that the tach will respond with the vibration. -249 (for) o o   _ ? 0.0099 Tc B* / /          o ? -244 (concern) ? / ?? 45.3543 302.6834 l 302.7401 416.5228 m O    ? West Point, Starkville, and Tupelo, MS drivers can stop by our Buick, Chevrolet, and GMC auto repair center in COLUMBUS to learn more about vehicle maintenance. ? -244 (goes) -323 (General) 194.9669 265.6062 l _ o o  ? -310 (intended) 302.7401 401.8393 m 194.9669 455.1874 l  o ? /Im1 Do /  ? 45.3543 205.9086 l I just started searching the internet and if I just used the word shudder instead of rumble I would have found dozens of hits. 0 -1.047 TD 98.9858 556.611 m 0.959 0 TD /CreationDate (D:20201202084305) 3.0387 -1.7014 TD -332 (2020)]TJ -249 (Parking) 45.3543 458.9858 l /  ?o ?_ ? These transmissions are actually well known for having the valve body bore for the PWM/TCC solenoid wear. o / _ _  _  O                                                                       _ / O / O _ _ O ? ? 0 w ? ? Wheel alignment is an important and often overlooked aspect of maintenance. 476.1637 556.611 m 199.559 205.3417 l ? ? 45.3543 636.4346 l B* [(Once) 194.9669 479.2251 l -416 (proper)]TJ / /o  ? 13 0 obj 98.9858 556.611 l 248.5984 440.5039 m ? When you have some $$ ask your best local transmission shop to have a look.  / ? -253 (that) -250 (growling/howling/) Using sensors that are attached to the wheels of Sierra 1500, a computer system recognizes the extent to which the actual values deviate from the target values. ? 249.1653 387.0992 m O ?O /o / / _ o O ? O / ?