Tim D Posted March 29, 2016 Share Posted March 29, 2016 My CJ8 is pretty much stock and had not been abused. I have replaced the 4.2 with a fuel injected AMC 360. I grin every time I drive it. The problem with my Jeep's rear-end seems to be axle bearings. They do not seem to make any type of growling noise, but do make a kind of an occasional thunking sound. When it's rolling at speed it is a thunk-------thunk------thunk. Sometimes it goes away or gets louder when I change direction. I did pump some grease into the zirks on the flange that did seem to help once it made its way around the bearing. Seemed to help for maybe 500 miles or so. I am able to hold the wheel at the 6 and 12 o'clock position and get a little movement. What really seems odd is that I do have a fair amount of run out at the axles. Quote Link to comment Share on other sites More sharing options...
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