Anyone have issues with the rear diff bearings, left side? Granted bearings wear out and need regular maint., but it seemed to me that side wanted to let go first on the truggy. I checked the buggy and the same thing only not as bad yet. I plan on putting new ones in, but had hoped to get alittle more out of them. Truggy had about for races and the buggy had a half season on it. When I rebuilt them both for the season they felt fine and I relubed them. I know I should have just replaced them from the start. Kind of a pain to tear down the whole diff just to replace one bearing (since I will have it apart it will be both). Any advice on keeping them as clean as possibile while in car/ truck? I can blow tham out with air, but after that its not an easy place to get in to. Might try some q-tips next time.