dmsfresh Posted March 3, 2011 Report Share Posted March 3, 2011 what gives anyone know Link to comment Share on other sites More sharing options...
rockfangd Posted March 3, 2011 Report Share Posted March 3, 2011 could you be anymore specific. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
dmsfresh Posted March 3, 2011 Author Report Share Posted March 3, 2011 well now that you mention it i guess i could have given more detail. but any how here goes right front wheel has a slight shimmy and seems to be worse at highway speed and even worse when i let off the gas new tires changed wheels .im thinking wheel bearing but not sure.also i here or feel not sure of the hearing a thump thump or something that feels like the tire has a lump but it is faint at low speeds Link to comment Share on other sites More sharing options...
Göran W Posted March 3, 2011 Report Share Posted March 3, 2011 Switch front/rearwheels. If that does it you know what to do. Link to comment Share on other sites More sharing options...
Cadillac Jim Posted March 3, 2011 Report Share Posted March 3, 2011 If you are breaking the studs that hold the wheels on, the air wrench that is used to mount the tires has a bad torque setting. Wheel studs usually are specified to be torqued to 95 lb-ft or 100 lb-ft, and much more will stretch them, which means that they will be prone to breaking. The thump may be an out-of-round tire, or one that has a dynamic imbalance. Göran W's suggestion may fix it for you if that is the case, or you may see a lesser shimmy in the rear. See if your tire dealer has a road force balance (RFB) machine, and, if so, whether or not he has used it on your car, particularly the front tires. -- Click Here for CaddyInfo page on "How To" Read Your OBD Codes-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data -- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC Yes, I was Jims_97_ETC before I changed cars. Link to comment Share on other sites More sharing options...
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