I had the same thing with mine, No problems there, no damage will be done, dont screw in the pillowballs ALL THE WAY, as it will suffer in handling , i too had the RDL cvds and never had a problem.
The problem with nitro's these days are that they arent brushless... LOL
Losi 8ight e
MMM / Neu 1512 2.5d/f
Thunderpower 5s 5000