Do not fail to remember to re-seal the gearbox with RTV after you’ve got identified the appropriate mix. Even however they’re called “gaskets”, they won’t seal your gearbox on their personal.
If every thing appears normal, consider adjusting the equipment-mesh. This 
is accomplished with the mylar “gaskets” that sit amongst the primary gearbox situation and the input/output caps. Try incorporating or taking away some of these spacers right up until your gears have around 1/8″-one/4″ of totally free engage in. Specialists can order replacements ($1-2) in different thicknesses, but we suggest the swift and filthy technique of cutting your personal out of a sheet of mylar.
“Groaning”, “creaking”, or “popping” all sound variety-of similar above-the-mobile phone. The ideal issue to do is to disassemble your gearbox and take a search at the gears and bearings. The concern will usually present alone in the way of damaged/missing gear teeth, toasted gears (like that image on our residence webpage), or blown bearings.
My Gearbox is Groaning/Creaking:
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