I replaced u joints all front ball joints seals and wheel bearing assemblys and Tires if I hit a bump in the road truck vibrates horribly until I come to a stop and I may or may not be able to go 5-10mph before it starts vibrating again
My car has 289000 miles.
My car has an automatic transmission.
This could be a variety of things. I have seen situations on these trucks where the carrier bearing rubber becomes a little less stiff and when the transmission sags just slightly, this causes a slight jump rope effect for the driveline which can cause this type of vibrating. Also, be sure to check the condition of the driveline itself. If it has even a minor crack, this type of vibration can occur.
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