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Old 11-13-2011 | 03:50 PM
  #18972  
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Dieselpower
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Originally Posted by JakeC351
hey guys just wondering if you have any ideas what can be wrong with my little brothers ft b4.1 i rubuilt the whole diff put a new idler gear in, a new top shaft, and a new main diff gear, brand new ceramic bearings and a new motor and esc new spur and pinion and it is still making a really weird grinding noise when i hold the thorottle on for a little while and when i let the thorottle off. Do you have any ideas what this can be.
Are you sure it's not the motor? Make sure the wing-mount screw isn't sunk too deep......it'll go through the gearbox and hit the backside of the inner slipper plate if you're not careful.
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