I just had new upper and lower ball joints, inner and outer tie rods replaced and an alignment on my front end of my 4x4 bronco done. As I drove it further I noticed a grinding sound as I drove. Also, when I went to apply brakes for a turn then pressed the gas the rpm's went up and the truck didn't move. Then it jerked and started to go forward.

  • What could be the cause of this?
  • How can it be fixed?

Mind you the hubs on the 4x4 don't work but still drove better then it does now.

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    This was not while it was in 4WD? If it was in 4WD when trying to make a corner, the front end will bind and the vehicle will not move. Unless the vehicle is setup as an AWD system, it will bind. I know you said your hubs are not working, but if they are engaged without your knowledge, it could be causing your issues. Any more information you can give us? – Pᴀᴜʟsᴛᴇʀ2 Dec 17 '15 at 15:23
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    I'd skip the internet answers and go directly to the mechanic. Demand that they fix it because thats not normal and a safety issue. – race fever Dec 19 '15 at 1:09
  • I agree with Paulster2 it sounds like the front hubs have locked. – kmarsh Jan 5 '16 at 19:31