6-speed manual transmission tear down

I’m looking for any help or input for tear down of a 2012 mazda5 6-speed manual transmission G66M-R.

The transmission developed a ticking noise in the differential area. I have already removed the transmission and pulled rear cover, I plan to split the case in the next couple of days. Nothing obvious so far.

I bought a shop manual online, it is fairly basic and it does not cover the transmission disassembly.
If you have recommendation for a shop manual which does cover the 6-speed manual transmission, please let me know, this would be really useful.

Thanks - Zoltan
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