DIY Servicing: Required tools

Quote:

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Originally Posted by Auzziebiker

why do you need the oil filter tool if you do your own oil changes and only hand tighten the filter which is recommended and don't forget to put oil on the rubber seal

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Because even after hand-tightening the oil filter, with all of the heat cycles from the oil and the thermal expansions and contractions that come with it, the filter becomes even tighter.