diff muck removal

Hello,
Is there any way to clean up the muck that has accumulated inside the
differential housing - other than dismantling it? It's a nice jelly-like
substance that mixes well with all fresh hypoid oil that i pour in
there...

Regards,
Evangelos
66 Sprite Mk3
61 A40 Farina Mk1 - that's where the jelly is !!

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///  (If they are dupes, this trailer may also catch them.)