ball diff help

Old 04-14-2015, 12:34 PM
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Default ball diff help

I have a mr4tc with ball diffs. My front diff just started slipping.
How do i tell if its just loose or if the balls are worn out?
What can i do to extend the life of a ball diff?
Im not racing just parkinglot fun with my kids.
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Old 04-14-2015, 12:54 PM
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Originally Posted by turbo scorpion View Post
I have a mr4tc with ball diffs. My front diff just started slipping.
How do i tell if its just loose or if the balls are worn out?
What can i do to extend the life of a ball diff?
Im not racing just parkinglot fun with my kids.
The best way to do it is remove it from the car and strip it down carefully as per the manual. One stripped you can inspect the parts for wear and replace as required. You might need new rings and balls but you wouldn't know for sure until you take it apart.
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Old 04-15-2015, 04:50 PM
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You might have to sand the disks. Use 600 followed by 800 or higher sandpapers. Make sure to put a drop of silicon grease on each 4 corners of disks when you install it back. And when you clean the balls and disks before the service, get a small bowl, put some bearing cleaner or denatured alcohol, dip them, gentle agitation, let them sit for a few minutes, take'em out on clean paper towel, another shot of spray and then service and re installation.
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Old 04-15-2015, 04:54 PM
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Originally Posted by snuvet75 View Post
You might have to sand the disks. Use 600 followed by 800 or higher sandpapers. Make sure to put a drop of silicon grease on each 4 corners of disks when you install it back. And when you clean the balls and disks before the service, get a small bowl, put some bearing cleaner or denatured alcohol, dip them, gentle agitation, let them sit for a few minutes, take'em out on clean paper towel, another shot of spray and then service and re installation.
Thanks!
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Old 04-15-2015, 07:19 PM
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Never seen diff balls wear out, maybe the steel ring that ride agents them, just do maintenance often. if ringsge a groove flip them over.
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