Hey group I have a 2006 Dodge Dakota that has a really bad whining
noise. Started at about 5,000 miles and has gotten increasingly louder
over time. Seems to be coming from the back, but not sure. High pitched
at highway speeds, and become kind of a groan at 10 to 20 mph. I am
pretty sure it is not the tires. Friend said it could be a bearing that
is bad. Anyone else experience this or have an idea if this is a common
while this was true with the corporate axles I'm not so sure that they are
still using those axles in the Dakota now. the best advice was to take it
to the dealer. it may very well be the rear but may not.
i would take it to a dealer and have it checked. its under warr what's it
going to cost you???
Yup, that was the problem. Bearing failure in the rearend. What really
concerns me is that the problem started at 5,000 miles! Bearings failing
at only 5,000? We let it go for sometime because we thought it was just
tire whine, but as it got louder we knew it was not the tires. They
replaced the bad parts now and it is back to running as quiet as when it
was new. My question is is this going to continue to happen every
5,000 to 10,000 miles or are they using more sturdy replacement parts?
Generally this happens because preload is set wrong from factory and
it burns bearing up in time. I STRONGLY suggest that you change the
rear axle lube after about 500 to 1000 miles after its repair and
every 15 to 25K afterwards ( the lower number if you tow). There is no
filter back there and oil gets dirty with time and it is important to
remove break in grit. In close to 40 years of driving I have never had
a rear end fail (except in drag racing many years ago) but then I do
change oil in them based on usage and I do change it in new vehicle
after 500 to 1000 miles and I do not tow anything either until this
first lube change.
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