BAC Forum
General Boards => Technical Support => Topic started by: Tom and Pat Fudale on August 11, 2012, 01:36:46 PM
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[size=14][/size]How often should differential oil be changed and does synthetic have to be used. It is quite costly
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I think you should drain the oil at 5,000 miles than refill with synthetic. That should take you to 60,000 miles. Just check level every year and top off if necessary.