Mazda RX-8 Workshop Manual page 910

Oil Pan Upper Block Component Installation Note
CAUTION:
1. Apply the silicon sealant in a single, unbroken line around the whole perimeter.
2. Install the oil pan upper block before the applied sealant starts to harden.
3. Using bolts with the old seal adhering could cause cracks in the housing.
1. Completely clean and remove any oil, dirt, sealant or other foreign material that may be adhering to the oil pan upper block
and housing.
2. When reusing the oil pan upper block installation bolts, clean any old sealant from the bolts.
3. Apply silicone sealant to the areas as shown in the figure.
CAUTION:
Apply silicone sealant to the outer circumference of the bolt hole at locations A shown in the figure.
Thickness