headpeace Posted February 24, 2015 Share Posted February 24, 2015 Hey all, due to recent snow I used 4WD yesterday. I noticed a knocking sound, it appears around 15 MPH, it knocks faster as the speed increases and goes away around 25 MPH. Any ideas what this could be coming from? Possible CV axle? Link to comment Share on other sites More sharing options...
Precise1 Posted February 24, 2015 Share Posted February 24, 2015 Could be, anything else rotational as well... No idea about front/rear, left/right? Might just want to jack it up, support it by the frame and listen. B Link to comment Share on other sites More sharing options...
SpecialWarr Posted February 24, 2015 Share Posted February 24, 2015 A knocking sound could be a drive-shaft / center bearing issue since they also rotate. Link to comment Share on other sites More sharing options...
R3DN1CK Posted March 16, 2015 Share Posted March 16, 2015 Check your hubs, especially if auto hubs. Mine were making horrible noises like you describe. Link to comment Share on other sites More sharing options...
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