4 wheel drive trouble
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New User
Joined: Oct 2011
Posts: 16
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4 wheel drive trouble
Hey guys... Put my truck in 4x4 this morning locked the hubs put in neutral and threw it in. It engaged I believe because I could make it out of the driveway but I have a terrible grinding thudding noise come from I think just the drivers side hub when I'm straight or turning... I'm thinking wheel bearing or hub assembly but any suggestions are much appreciated thanks guys
Posting Guru
Joined: May 2007
Posts: 1,141
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Is there noise when in two wheel drive? Sounds like needle bearings or worn u joint, needle bearings will make that noise even in two wheel drive, u joints can make a binding noise when turned sharped to one side or the other on dry pavement when locked in. Leave it locked in and put a big screw driver in the u joint and pry on it up,down and see if it has play in it.
Laughing Gas
Joined: Apr 2011
Posts: 1,002
Likes: 7
From: London, KY
Mine is doing the same thing. I'm getting ready to replace the hub bearing and seals. Will probably replace the axle shaft u joint too. Mine sounds awful in 4wd, you can't really hear it in 2wd but if I turn the truck off and let it roll in neutral in 2wd it can be heard a little. A buddy told me that if the outer seal is bad it will cause it to make noise like that. I know my outer seal is bad cause its leaking gear oil out.
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