cfd511 Posted 10 hours ago Share Posted 10 hours ago Hello all , have a 2000 mack rd 688 . I burned up the starter and replaced multiple times now . It seems the starter somehow is staying engaged and not releasing which is burning it up . Any of you guys have any ideas . Any idea what to test to find the problem Quote Link to comment https://www.bigmacktrucks.com/topic/75511-mack-start-issue/ Share on other sites More sharing options...
mrsmackpaul Posted 3 hours ago Share Posted 3 hours ago The wrong pinion on the starter motor The wrong clearance on the starter motor pinion to ring gear Ring gear is badly damaged in one spot and this binds on the pinion Starter shaft has no grease on it from new and is binding on the shaft Paul Quote Link to comment https://www.bigmacktrucks.com/topic/75511-mack-start-issue/#findComment-575529 Share on other sites More sharing options...
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