I had the tranny rebuilt a couple months back.., now I notice when I'm
driving around 70-75 mph on the hyw between California and Arizona when I go
into a dip and the car sort of squats a harmonic vibration comes at the
bottom, then disappears after the car lofts again..!! I've looked
underneath and all is dry.., except for what I think is the right side
rubber-covered CV joint which is spining a little grease and water mixture
out. Do these CV joints wear-out..?? There is about a 3/4 inch "play" in
the driving wheels, when I rotate the wheels, one to the the other..!!
If it is water and grease you have a CV joint boot that has gone bad and
it let water into the joint. Since it sounds like the damage has already
been done to the joint you will probably find it is cheaper and much
easier to just replace the entire axle halfshaft assembly.
Yes they do wear out, even faster if the boots get damaged and allow
water and grit to get inside. The play is probably normal gear slop.
You have the axles, splines, differential pinion gears all having wear
on them and allowing some motion.
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