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Bearings question

Posted: Tue Nov 12, 2013 9:43 am
by sdg1963
Is it better to repack or to replace them? What are the warning signs one should be looking for when it comes to worn bearings. Noticed my truck has a slight humming sound, and suspect it is a bearing.
Thanks, as always.

Re: Bearings question

Posted: Tue Nov 12, 2013 9:52 am
by eieio
sdg1963 wrote:Is it better to repack or to replace them? What are the warning signs one should be looking for when it comes to worn bearings. Noticed my truck has a slight humming sound, and suspect it is a bearing.
Thanks, as always.
by the time a bearing is making noise or vibration, re-packing is not likely to be a solution
any bearing that makes noise is probably worn/damaged and needs replacement

Posted: Tue Nov 12, 2013 11:28 am
by smj999smj
You can't repack the front wheel bearings on an R51. They are a wheel hub assy., similar to what GM products have been using for years. They are easy to replace, though.