Walt1967 Posted September 3, 2015 Share Posted September 3, 2015 Hello guys have a 91 superliner with 160,000 original miles.i was driving the truck 2 days ago and the front rear end started making a noise like ball bearings were swishing around in there.they are mack 44,000 rears on camelback,with 4:42 gears. Are mack rear ends prone to have problems that eaton,Rockwell don't.repair shop hasn't taken it apart yet.thanks for replies. Quote Link to comment https://www.bigmacktrucks.com/topic/41623-rear-end-noise/ Share on other sites More sharing options...
gearhead204 Posted September 5, 2015 Share Posted September 5, 2015 check the power divider, but first check your tire size! if mismatched heigth it can cause the power dividerto try and engage. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/41623-rear-end-noise/#findComment-302685 Share on other sites More sharing options...
thomastractorsvc Posted September 19, 2015 Share Posted September 19, 2015 Was it the powerdivider? Quote Robert"I reject your reality and substitute my own." Link to comment https://www.bigmacktrucks.com/topic/41623-rear-end-noise/#findComment-304451 Share on other sites More sharing options...
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