Sometimes I get bored and start to notice some oddball stuff, e.g. I was repacking a set of OE CV joints I pulled from the yard for my daily beater camry.

I noticed that cleaning them with any solvent was not leaving the axles squeaky clean as I like, So I went a bit stupid with them, I mixed some purple industrial degreaser and filled them with it, then used boiling hot water to clean that out, that degreaser removed all of of remaining black grease from its insides and locked the CV joint solid tight (fully clean now) and the surface was also not oily anymore.

I then filled it with CV grease and booted it. Its been abt 20K miles now and the joints are ok. I later learned that CV joints are recommended to be cleaned with such degreaser as solvent residue can break down grease.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)