At 01:19 AM 6/12/2010, M. Jade wrote: >My rear wheels have been making rumbling noise. According to my past >experience I know it is the axle nuts that are probably loose. So I >finally checked them today. Sure enough they are loose. I tightened >them until I could not turn further. I do not have a torque wrench >so I am sure I did not apply enough torque. Dear M. Jade, If your axle nuts aren't tight enough, the hub will slip on the axle splines and damage both of them. It sounds as though this has already happened and the hubs and axles may need to be replaced. It's necessary to be sure that you have axle nuts with ten slots (rather than the older ones with six). You must tighten them to 360 lb-ft / 500 Newton-meters and then additionally tighten until the next slot lines up with the hole for the cotter pin. The main risk is that the drive axles will no longer be able to power the wheels reliably, or that the nut itself might possibly fail in which case the wheel would depart from the vehicle. This is not something you can be casual about. If you cannot tighten them properly yourself you must get someone to do it for you. Yours, David |
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