There is a cavity back in there, where the drain plug is, that collects gunk.
Yeh, if you drive in smooth roads, it, the gunk, might stay in there. But take a chance, rinse it out.
CZ
Yeh, if you drive in smooth roads, it, the gunk, might stay in there. But take a chance, rinse it out.
![Wink](https://xs11.club/core/images/smilies/wink.png)
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