gear set break in
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Postmaster
Joined: May 2007
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gear set break in
The local tech collage, just installed new 4.56's in my bronco. While they where they had every thing apart I had install all new bearings. What do I need to do for a break in? I did some reading through old threads, and saw a few posts about 20-30 min at a constant spead, and letting the dif cool, and repeating 2 or 3 times then changing the oil. what about the front Diff?
Lead Driver
Joined: Mar 2004
Posts: 8,924
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Just don't overdo it. Take it for a cupple of short rides maby around 10 miles letting it cool for a few hours between rides. I wouldn't take it for any long rides before it gets at least 100 miles on it, IMO.
