WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata, 2004 Mazda MX-5 Miata, and 2003 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
Remove all foreign material from the contact surfaces.
Apply silicone sealant to the oil baffle along the inside of the bolt holes, and install within five minutes.