-244 (2HI,) -5566 (2015) 8.9662 0 0 8.9662 74.8913 307.2755 Tm -475 (from) Use a stethoscope or screwdriver to see if you can hear anything back there. ? 431.7165 273.2598 l -243 (November) At 45 mph it begins. B* 561.2598 190.6582 l 302.7401 455.7543 l 102 (est) -341 (to) JavaScript is disabled. 199.559 735.0236 l ? B* 561.2598 586.2047 m -304 (your) ?   ? _? I checked the front drive shaft seems pretty tight. [(Correction)]TJ B* -4721 (2020) B* Q -248 (in) 476.1637 556.611 l -245 (NQ6,) 194.4 542.4944 l _ / _ /  /  / o o _ O / O ? -301 (your)]TJ 98.9858 541.9275 l It now has 600 miles and we took in for service because it is vibrating at 65 mph and up. ? ? 302.7401 280.9133 l B* / ? Less common causes are bad axle, worn suspension or steering parts or incorrect tire pressure. The problem is that your issue could be in any of these things. [(WE) [(Silverado) Oil changes in transfer case, engine (x2), and rear end, replaced all spark plugs and coil wires with Delco parts, replaced the entire rear end assembly, and rear shaft u joints, front and rear. 199.559 205.9086 l o?????????????????????? _ O O  o? -14869 (Description) 26 (Y)]TJ 194.9669 541.9275 l _/ / ?  ? ?  ? ? _O ? ?? ? -250 (noise) 302.7401 541.9275 l 194.4 401.8393 l 194.4 280.9133 l 561.2598 287.9433 l 561.2598 212.9952 m Looseness in suspension or steering system components can cause vibrations in your Sierra 1500. 8.523 8.734 TD The truck preforms everything great. Black center caps with Red GMC logo; Rear intermittent wiper, Variable-speed Washer to help keep rear window clear; B* 194.9669 571.9748 l ? ?/ ? ??????????????????????????? 560.6929 191.2251 l I recently purchased a 2000 Chevrolet Silverado z71. -3076 (T) 303.307 343.0488 l ? 249.1653 556.611 l o /  / / / _ _ ? -255 (Investigate) The Fora platform includes forum software by XenForo. /  _ O _ / _  O _ O O  ? 561.2598 205.9086 l / O/ O ? 248.5984 387.0992 l -242 (speeds) 199.559 213.5622 l 249.1653 455.7543 l 45.3543 318.0472 m 45.3543 686.1543 l / O o O  _ ? 0.3964 -1.656 TD  _ O? ? ? _? 194.9669 401.8393 l ??? 72 (. 45.9212 458.4188 l ? There are a couple of companies that make kits for correcting the bore problem (Sonnax is the one Im remembering). ? Home Troubleshooting GMC Sierra 1500 shakes at highway speeds causes and how to fix it. 199.559 85.0393 l o _ _O ? _ ? O ? -301 (the) 248.5984 265.6062 l Some technicians may find the concern . 302.7401 527.811 l _? 194.4 479.2251 m B* 194.4 416.5228 m -249 (for) ? )]TJ 302.7401 571.4078 l B* Visually inspect all the tires on your GMC Sierra 1500 for any cuts, cracks, bulges and uneven wear. O _ o ? 194.9669 319.011 l A worn out or faulty axle component can also result in unwanted vibrations in your GMC Sierra 1500.    ? ? When you have some $$ ask your best local transmission shop to have a look. 248.5984 556.611 l -240 (listen) B* If not what about putting in a new(rebuilt) transmission. ? o / ? [(heard) 249.1653 251.4897 l 174.3307 273.8267 l 248.5984 440.5039 l 0 G _? [(Silverado) Overly worn ball joints or tie rod ends makes it difficult to properly align your vehicle. information here is for reference only. [(Modified)]TJ /F1 1 Tf -247 (\(RPOs\)) 249.1653 479.2251 l / _ _  O ? / / ? -254 (engaged) -250 (test) ? ?   ? _ _ / _ O _ / / _ _ / _ _ ? o  ? 561.2598 220.0818 m  ? ? 822 552 552 552 0 322 500 270 552 500 0 0 500] -240 (for) 0.1598 -1.3682 TD 86.4566 458.4188 l 173.7637 302.6834 l _ ? 199.559 212.9952 m -246 (in) 50 (ehicles) 45.3543 748.9133 l Page 6 August, 2019 Bulletin No. [(Additional)  ?_ /     _ / _ ? endobj 200.1259 227.7354 m 431.7165 302.6834 l -244 (Whining/Whirri) _ ? 291.9685 482.6267 m ? >> ? -238 (between) o ?_? ?? B* 194.9669 556.611 m f* _ / ?  o O  O ? ? B* [(Sierra)]TJ -4509 (Escalade) 561.2598 586.2047 l 99.5527 541.9275 l 0.959 0 TD / /  / o / / _  /  o  O O  ? 194.9669 586.2047 l 561.2598 684.5669 m -242 (as) PDF Service Bulletin Bulletin No.: 19-NA-136 Date: June, 2019 _ / ? 99.5527 304.8944 l 1 J -408 (or) 302.7401 479.2251 l intermittent steering wheel vibration - Chevy and GMC Duramax Diesel Forum 302.7401 304.3275 m Lawsuits Over Chevy & GM Vehicles for Vibration, Shaking - Class Action -244 (noise) ? ? 18.4818 0.8283 TD 103 (,) _ / /  _   / _ _ ? The leading cause of vibration in GMC Sierra 1500 when driving at high speed is unbalanced wheels, especially when steering wheel wobbles or vibrates. endobj 194.9669 387.6661 l -248 (4HI,) /F2 1 Tf 194.4 280.3464 l 11.8222 1.0485 TD The most obvious sign of misaligned wheels in Sierra 1500 is when your vehicle pulls to one side and you constantly have to adjust the steering wheel to drive in a straight line.  ? 174.3307 273.2598 l o _ ? O / / / / ? 45.9212 190.6582 l ? _  _ O  O / _ / _ o / ? -244 (From) vibration at highway speed | GM Truck Club Forum 45.3543 684.5669 l ? -244 (moderate) -248 (vehicle) [(Note:)]TJ -247 (can) 561.2598 273.2598 m Start the engine. /   _ // o O   / o  ?O /_ _ ? O _ O? 83 (.) B* 56 (TION)]TJ -258 (with)]TJ /F2 1 Tf It would vibrate for 2 or 3 seconds and stop for 2 or 3 seconds and repeat but went away when accelerating faster than 2k rpms until engine speed comes back down. /ItalicAngle 0 0 g 302.7401 440.5039 m /F2 1 Tf ? 249.1653 401.8393 l 302.7401 357.7322 l -248 (vehicle) -302 (properly) ? ? O ? -252 (coverage) B* ? B* /Length2 4440 2000 Chevrolet and GMC C/K Utility and Pickup Models (Silverado and Sierra) with 4.8 L or 5.3 L Engine (VINs V, T -- RPOs LR4, LM7) and Hydra-Matic 4L60-E Transmission (RPO M30) Condition. 248.5984 343.0488 l 303.307 541.9275 m 98.9858 556.611 l 302.7401 440.5039 l 249.1653 343.0488 l -484 (your) New 2023 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4In-TransitVIN 1GTUUEE88PZ225144 Stock Number 225144PS. -337 (technicians) 248.5984 512.5039 l -247 (in) -323 (General) GMC Sierra 1500 Engine is shaking, pulsating or - YourMechanic ? -6.7263 -1.0485 TD /F1 1 Tf -7683 (Bulletin) 411.6472 571.4078 l 302.7401 417.0897 l 23.9102 0 0 23.9102 113.2157 695.9055 Tm 173.7637 317.4803 l B* -340 (No. 45.3543 212.9952 l B* /Width 221 _ ? / o _ _ /  o _ / / _ _ / O _ _ O o / O / /  _ _ _ / O O  ? _ O _ ? 200.1259 212.9952 l -475 (for) /? _ ? /_ / ?? 560.6929 273.8267 l -244 (wear) ? B* 302.7401 455.1874 l / / / _  / O / O  ?