Never fail to remember to re-seal the gearbox with RTV after you have located the appropriate mix. Even though they’re referred to as “gaskets”, they will not likely seal your gearbox on their personal.
If almost everything seems normal, try changing the equipment-mesh. This is accomplished with the mylar “gaskets” that sit among the principal gearbox circumstance and the input/output caps. Try out incorporating or getting rid of some of these spacers till your gears have about 1/8″-one/4″ of cost-free perform. Specialists can get replacements ($one-two) in various thicknesses, but we advocate the swift and dirty strategy of cutting your personal out of a sheet of mylar.
“Groaning”, “creaking”, or “popping” all sound type-of related above-the-telephone. The best factor to do is to disassemble your gearbox and consider a look at the gears and bearings. The problem will usually existing itself in the way of damaged/lacking equipment teeth, toasted gears (like that photograph on our house page), or blown bearings.
My Gearbox is Groaning/Creaking: