How to Break in a Ring & Pinion
- 1). Drive 15 to 20 miles after installation of the new gear set. Then, stop the vehicle in order to allow the differential to cool for 15 minutes before continuing.
- 2). Keep the vehicle under 60 mph for the first 100 miles of driving after you've installed the gear set.
- 3). Put 500 miles on the gear set before towing or other heavy use. During the first 45 miles of towing use, drive for 15 miles at a time and then stop to let the differential cool for 15 minutes before continuing.
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